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Finding the Fourth Proportional to 636,475.24, 954,578.40 and 187,073.88

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Solution

The fourth proportional to 636,475.24, 954,578.40 and 187,073.88 is: 280,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,475.24 : 954,578.40 = 187,073.88 : x
  2. Step 2: Convert to fraction form
    636,475.24/954,578.40 = 187,073.88/x
  3. Step 3: Cross multiply
    636,475.24x = 954,578.40 × 187,073.88
  4. Step 4: Simplify right side
    636,475.24x = 178,576,679,343.93
  5. Step 5: Solve for x
    x = 178,576,679,343.93/636,475.24
  6. Step 6: Final answer
    x = 280,571.29

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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.