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Finding the Fourth Proportional to 468,029.70, 702,044.55 and 187,748.10

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Solution

The fourth proportional to 468,029.70, 702,044.55 and 187,748.10 is: 281,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,029.70 : 702,044.55 = 187,748.10 : x
  2. Step 2: Convert to fraction form
    468,029.70/702,044.55 = 187,748.10/x
  3. Step 3: Cross multiply
    468,029.70x = 702,044.55 × 187,748.10
  4. Step 4: Simplify right side
    468,029.70x = 131,807,530,377.86
  5. Step 5: Solve for x
    x = 131,807,530,377.86/468,029.70
  6. Step 6: Final answer
    x = 281,622.15

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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.