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Finding the Fourth Proportional to 636,672.77, 955,160.87 and 187,408.29

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Solution

The fourth proportional to 636,672.77, 955,160.87 and 187,408.29 is: 281,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,672.77 : 955,160.87 = 187,408.29 : x
  2. Step 2: Convert to fraction form
    636,672.77/955,160.87 = 187,408.29/x
  3. Step 3: Cross multiply
    636,672.77x = 955,160.87 × 187,408.29
  4. Step 4: Simplify right side
    636,672.77x = 179,005,065,321.61
  5. Step 5: Solve for x
    x = 179,005,065,321.61/636,672.77
  6. Step 6: Final answer
    x = 281,157.09

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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.