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Finding the Fourth Proportional to 768,877.59, 1,061,046.83 and 424,737.14

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Solution

The fourth proportional to 768,877.59, 1,061,046.83 and 424,737.14 is: 586,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,877.59 : 1,061,046.83 = 424,737.14 : x
  2. Step 2: Convert to fraction form
    768,877.59/1,061,046.83 = 424,737.14/x
  3. Step 3: Cross multiply
    768,877.59x = 1,061,046.83 × 424,737.14
  4. Step 4: Simplify right side
    768,877.59x = 450,665,999,694.73
  5. Step 5: Solve for x
    x = 450,665,999,694.73/768,877.59
  6. Step 6: Final answer
    x = 586,134.91

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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.