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Finding the Fourth Proportional to 500,691.28, 752,611.56 and 434,950.06

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Solution

The fourth proportional to 500,691.28, 752,611.56 and 434,950.06 is: 653,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,691.28 : 752,611.56 = 434,950.06 : x
  2. Step 2: Convert to fraction form
    500,691.28/752,611.56 = 434,950.06/x
  3. Step 3: Cross multiply
    500,691.28x = 752,611.56 × 434,950.06
  4. Step 4: Simplify right side
    500,691.28x = 327,348,443,178.69
  5. Step 5: Solve for x
    x = 327,348,443,178.69/500,691.28
  6. Step 6: Final answer
    x = 653,792.98

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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.