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Finding the Fourth Proportional to 731,206.10, 1,096,809.15 and 731,206.10

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Solution

The fourth proportional to 731,206.10, 1,096,809.15 and 731,206.10 is: 1,096,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,206.10 : 1,096,809.15 = 731,206.10 : x
  2. Step 2: Convert to fraction form
    731,206.10/1,096,809.15 = 731,206.10/x
  3. Step 3: Cross multiply
    731,206.10x = 1,096,809.15 × 731,206.10
  4. Step 4: Simplify right side
    731,206.10x = 801,993,541,015.82
  5. Step 5: Solve for x
    x = 801,993,541,015.82/731,206.10
  6. Step 6: Final answer
    x = 1,096,809.15

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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.