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Finding the Fourth Proportional to 467,572.97, 645,237.80 and 263,622.11

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Solution

The fourth proportional to 467,572.97, 645,237.80 and 263,622.11 is: 363,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,572.97 : 645,237.80 = 263,622.11 : x
  2. Step 2: Convert to fraction form
    467,572.97/645,237.80 = 263,622.11/x
  3. Step 3: Cross multiply
    467,572.97x = 645,237.80 × 263,622.11
  4. Step 4: Simplify right side
    467,572.97x = 170,098,950,582.74
  5. Step 5: Solve for x
    x = 170,098,950,582.74/467,572.97
  6. Step 6: Final answer
    x = 363,791.24

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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.