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Finding the Fourth Proportional to 574,332.31, 860,965.98 and 254,313.73

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Solution

The fourth proportional to 574,332.31, 860,965.98 and 254,313.73 is: 381,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,332.31 : 860,965.98 = 254,313.73 : x
  2. Step 2: Convert to fraction form
    574,332.31/860,965.98 = 254,313.73/x
  3. Step 3: Cross multiply
    574,332.31x = 860,965.98 × 254,313.73
  4. Step 4: Simplify right side
    574,332.31x = 218,955,469,776.91
  5. Step 5: Solve for x
    x = 218,955,469,776.91/574,332.31
  6. Step 6: Final answer
    x = 381,234.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.