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Finding the Fourth Proportional to 486,773.64, 730,421.87 and 202,660.31

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Solution

The fourth proportional to 486,773.64, 730,421.87 and 202,660.31 is: 304,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,773.64 : 730,421.87 = 202,660.31 : x
  2. Step 2: Convert to fraction form
    486,773.64/730,421.87 = 202,660.31/x
  3. Step 3: Cross multiply
    486,773.64x = 730,421.87 × 202,660.31
  4. Step 4: Simplify right side
    486,773.64x = 148,027,523,417.73
  5. Step 5: Solve for x
    x = 148,027,523,417.73/486,773.64
  6. Step 6: Final answer
    x = 304,099.30

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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.