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Finding the Fourth Proportional to 468,432.72, 702,677.88 and 187,913.52

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Solution

The fourth proportional to 468,432.72, 702,677.88 and 187,913.52 is: 281,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,432.72 : 702,677.88 = 187,913.52 : x
  2. Step 2: Convert to fraction form
    468,432.72/702,677.88 = 187,913.52/x
  3. Step 3: Cross multiply
    468,432.72x = 702,677.88 × 187,913.52
  4. Step 4: Simplify right side
    468,432.72x = 132,042,673,856.94
  5. Step 5: Solve for x
    x = 132,042,673,856.94/468,432.72
  6. Step 6: Final answer
    x = 281,881.83

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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.