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Finding the Fourth Proportional to 704,562.57, 1,057,034.42 and 502,413.98

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Solution

The fourth proportional to 704,562.57, 1,057,034.42 and 502,413.98 is: 753,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,562.57 : 1,057,034.42 = 502,413.98 : x
  2. Step 2: Convert to fraction form
    704,562.57/1,057,034.42 = 502,413.98/x
  3. Step 3: Cross multiply
    704,562.57x = 1,057,034.42 × 502,413.98
  4. Step 4: Simplify right side
    704,562.57x = 531,068,862,151.95
  5. Step 5: Solve for x
    x = 531,068,862,151.95/704,562.57
  6. Step 6: Final answer
    x = 753,756.85

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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.