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Finding the Fourth Proportional to 714,545.75, 986,036.92 and 424,169.73

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Solution

The fourth proportional to 714,545.75, 986,036.92 and 424,169.73 is: 585,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,545.75 : 986,036.92 = 424,169.73 : x
  2. Step 2: Convert to fraction form
    714,545.75/986,036.92 = 424,169.73/x
  3. Step 3: Cross multiply
    714,545.75x = 986,036.92 × 424,169.73
  4. Step 4: Simplify right side
    714,545.75x = 418,247,014,126.43
  5. Step 5: Solve for x
    x = 418,247,014,126.43/714,545.75
  6. Step 6: Final answer
    x = 585,332.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.