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Finding the Fourth Proportional to 702,292.56, 969,156.74 and 379,995.59

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Solution

The fourth proportional to 702,292.56, 969,156.74 and 379,995.59 is: 524,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,292.56 : 969,156.74 = 379,995.59 : x
  2. Step 2: Convert to fraction form
    702,292.56/969,156.74 = 379,995.59/x
  3. Step 3: Cross multiply
    702,292.56x = 969,156.74 × 379,995.59
  4. Step 4: Simplify right side
    702,292.56x = 368,275,280,473.02
  5. Step 5: Solve for x
    x = 368,275,280,473.02/702,292.56
  6. Step 6: Final answer
    x = 524,390.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.