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Finding the Fourth Proportional to 415,882.60, 622,787.10 and 332,938.60

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Solution

The fourth proportional to 415,882.60, 622,787.10 and 332,938.60 is: 498,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,882.60 : 622,787.10 = 332,938.60 : x
  2. Step 2: Convert to fraction form
    415,882.60/622,787.10 = 332,938.60/x
  3. Step 3: Cross multiply
    415,882.60x = 622,787.10 × 332,938.60
  4. Step 4: Simplify right side
    415,882.60x = 207,349,865,172.06
  5. Step 5: Solve for x
    x = 207,349,865,172.06/415,882.60
  6. Step 6: Final answer
    x = 498,577.88

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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.