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Finding the Fourth Proportional to 467,291.52, 644,861.90 and 252,431.52

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Solution

The fourth proportional to 467,291.52, 644,861.90 and 252,431.52 is: 348,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,291.52 : 644,861.90 = 252,431.52 : x
  2. Step 2: Convert to fraction form
    467,291.52/644,861.90 = 252,431.52/x
  3. Step 3: Cross multiply
    467,291.52x = 644,861.90 × 252,431.52
  4. Step 4: Simplify right side
    467,291.52x = 162,783,468,344.93
  5. Step 5: Solve for x
    x = 162,783,468,344.93/467,291.52
  6. Step 6: Final answer
    x = 348,355.28

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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.