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Finding the Fourth Proportional to 451,035.69, 676,631.70 and 151,545.48

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Solution

The fourth proportional to 451,035.69, 676,631.70 and 151,545.48 is: 227,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,035.69 : 676,631.70 = 151,545.48 : x
  2. Step 2: Convert to fraction form
    451,035.69/676,631.70 = 151,545.48/x
  3. Step 3: Cross multiply
    451,035.69x = 676,631.70 × 151,545.48
  4. Step 4: Simplify right side
    451,035.69x = 102,540,475,759.72
  5. Step 5: Solve for x
    x = 102,540,475,759.72/451,035.69
  6. Step 6: Final answer
    x = 227,344.48

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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.