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Finding the Fourth Proportional to 636,622.56, 954,996.12 and 231,924.69

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Solution

The fourth proportional to 636,622.56, 954,996.12 and 231,924.69 is: 347,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,622.56 : 954,996.12 = 231,924.69 : x
  2. Step 2: Convert to fraction form
    636,622.56/954,996.12 = 231,924.69/x
  3. Step 3: Cross multiply
    636,622.56x = 954,996.12 × 231,924.69
  4. Step 4: Simplify right side
    636,622.56x = 221,487,179,082.20
  5. Step 5: Solve for x
    x = 221,487,179,082.20/636,622.56
  6. Step 6: Final answer
    x = 347,909.72

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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.