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Finding the Fourth Proportional to 527,262.01, 727,617.69 and 285,538.97

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Solution

The fourth proportional to 527,262.01, 727,617.69 and 285,538.97 is: 394,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,262.01 : 727,617.69 = 285,538.97 : x
  2. Step 2: Convert to fraction form
    527,262.01/727,617.69 = 285,538.97/x
  3. Step 3: Cross multiply
    527,262.01x = 727,617.69 × 285,538.97
  4. Step 4: Simplify right side
    527,262.01x = 207,763,207,575.42
  5. Step 5: Solve for x
    x = 207,763,207,575.42/527,262.01
  6. Step 6: Final answer
    x = 394,041.68

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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.