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Finding the Fourth Proportional to 573,635.25, 860,471.10 and 174,279.50

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Solution

The fourth proportional to 573,635.25, 860,471.10 and 174,279.50 is: 261,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,635.25 : 860,471.10 = 174,279.50 : x
  2. Step 2: Convert to fraction form
    573,635.25/860,471.10 = 174,279.50/x
  3. Step 3: Cross multiply
    573,635.25x = 860,471.10 × 174,279.50
  4. Step 4: Simplify right side
    573,635.25x = 149,962,471,996.86
  5. Step 5: Solve for x
    x = 149,962,471,996.86/573,635.25
  6. Step 6: Final answer
    x = 261,424.79

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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.