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Finding the Fourth Proportional to 344,888.62, 517,354.76 and 108,240.64

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Solution

The fourth proportional to 344,888.62, 517,354.76 and 108,240.64 is: 162,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,888.62 : 517,354.76 = 108,240.64 : x
  2. Step 2: Convert to fraction form
    344,888.62/517,354.76 = 108,240.64/x
  3. Step 3: Cross multiply
    344,888.62x = 517,354.76 × 108,240.64
  4. Step 4: Simplify right side
    344,888.62x = 55,998,809,306.66
  5. Step 5: Solve for x
    x = 55,998,809,306.66/344,888.62
  6. Step 6: Final answer
    x = 162,367.81

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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.