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Finding the Fourth Proportional to 534,620.88, 801,931.04 and 499,191.52

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Solution

The fourth proportional to 534,620.88, 801,931.04 and 499,191.52 is: 748,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,620.88 : 801,931.04 = 499,191.52 : x
  2. Step 2: Convert to fraction form
    534,620.88/801,931.04 = 499,191.52/x
  3. Step 3: Cross multiply
    534,620.88x = 801,931.04 × 499,191.52
  4. Step 4: Simplify right side
    534,620.88x = 400,317,174,792.78
  5. Step 5: Solve for x
    x = 400,317,174,792.78/534,620.88
  6. Step 6: Final answer
    x = 748,787.02

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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.