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Finding the Fourth Proportional to 1,269,331,360.70, 1,903,997,041.05 and 1,269,331,360.70

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Solution

The fourth proportional to 1,269,331,360.70, 1,903,997,041.05 and 1,269,331,360.70 is: 1,903,997,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,331,360.70 : 1,903,997,041.05 = 1,269,331,360.70 : x
  2. Step 2: Convert to fraction form
    1,269,331,360.70/1,903,997,041.05 = 1,269,331,360.70/x
  3. Step 3: Cross multiply
    1,269,331,360.70x = 1,903,997,041.05 × 1,269,331,360.70
  4. Step 4: Simplify right side
    1,269,331,360.70x = 2,416,803,154,884,770,304
  5. Step 5: Solve for x
    x = 2,416,803,154,884,770,304/1,269,331,360.70
  6. Step 6: Final answer
    x = 1,903,997,041.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.