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Finding the Fourth Proportional to 331,561.89, 497,489.85 and 173,752.83

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Solution

The fourth proportional to 331,561.89, 497,489.85 and 173,752.83 is: 260,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,561.89 : 497,489.85 = 173,752.83 : x
  2. Step 2: Convert to fraction form
    331,561.89/497,489.85 = 173,752.83/x
  3. Step 3: Cross multiply
    331,561.89x = 497,489.85 × 173,752.83
  4. Step 4: Simplify right side
    331,561.89x = 86,440,269,333.78
  5. Step 5: Solve for x
    x = 86,440,269,333.78/331,561.89
  6. Step 6: Final answer
    x = 260,706.29

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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.