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Finding the Fourth Proportional to 503,900.47, 695,382.61 and 277,545.97

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Solution

The fourth proportional to 503,900.47, 695,382.61 and 277,545.97 is: 383,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,900.47 : 695,382.61 = 277,545.97 : x
  2. Step 2: Convert to fraction form
    503,900.47/695,382.61 = 277,545.97/x
  3. Step 3: Cross multiply
    503,900.47x = 695,382.61 × 277,545.97
  4. Step 4: Simplify right side
    503,900.47x = 193,000,641,013.58
  5. Step 5: Solve for x
    x = 193,000,641,013.58/503,900.47
  6. Step 6: Final answer
    x = 383,013.42

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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.