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Finding the Fourth Proportional to 375,788.87, 563,676.80 and 126,470.87

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Solution

The fourth proportional to 375,788.87, 563,676.80 and 126,470.87 is: 189,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,788.87 : 563,676.80 = 126,470.87 : x
  2. Step 2: Convert to fraction form
    375,788.87/563,676.80 = 126,470.87/x
  3. Step 3: Cross multiply
    375,788.87x = 563,676.80 × 126,470.87
  4. Step 4: Simplify right side
    375,788.87x = 71,288,692,792.61
  5. Step 5: Solve for x
    x = 71,288,692,792.61/375,788.87
  6. Step 6: Final answer
    x = 189,704.11

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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.