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Finding the Fourth Proportional to 467,545.77, 645,180.80 and 263,603.97

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Solution

The fourth proportional to 467,545.77, 645,180.80 and 263,603.97 is: 363,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,545.77 : 645,180.80 = 263,603.97 : x
  2. Step 2: Convert to fraction form
    467,545.77/645,180.80 = 263,603.97/x
  3. Step 3: Cross multiply
    467,545.77x = 645,180.80 × 263,603.97
  4. Step 4: Simplify right side
    467,545.77x = 170,072,218,929.76
  5. Step 5: Solve for x
    x = 170,072,218,929.76/467,545.77
  6. Step 6: Final answer
    x = 363,755.23

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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.