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Finding the Fourth Proportional to 542,937.92, 814,458.72 and 168,860.48

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Solution

The fourth proportional to 542,937.92, 814,458.72 and 168,860.48 is: 253,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,937.92 : 814,458.72 = 168,860.48 : x
  2. Step 2: Convert to fraction form
    542,937.92/814,458.72 = 168,860.48/x
  3. Step 3: Cross multiply
    542,937.92x = 814,458.72 × 168,860.48
  4. Step 4: Simplify right side
    542,937.92x = 137,529,890,399.39
  5. Step 5: Solve for x
    x = 137,529,890,399.39/542,937.92
  6. Step 6: Final answer
    x = 253,306.84

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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.