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Finding the Fourth Proportional to 375,788.96, 563,676.94 and 126,470.96

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Solution

The fourth proportional to 375,788.96, 563,676.94 and 126,470.96 is: 189,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,788.96 : 563,676.94 = 126,470.96 : x
  2. Step 2: Convert to fraction form
    375,788.96/563,676.94 = 126,470.96/x
  3. Step 3: Cross multiply
    375,788.96x = 563,676.94 × 126,470.96
  4. Step 4: Simplify right side
    375,788.96x = 71,288,763,422.29
  5. Step 5: Solve for x
    x = 71,288,763,422.29/375,788.96
  6. Step 6: Final answer
    x = 189,704.25

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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.