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Finding the Fourth Proportional to 542,926.75, 814,390.13 and 168,949.75

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Solution

The fourth proportional to 542,926.75, 814,390.13 and 168,949.75 is: 253,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,926.75 : 814,390.13 = 168,949.75 : x
  2. Step 2: Convert to fraction form
    542,926.75/814,390.13 = 168,949.75/x
  3. Step 3: Cross multiply
    542,926.75x = 814,390.13 × 168,949.75
  4. Step 4: Simplify right side
    542,926.75x = 137,591,008,865.97
  5. Step 5: Solve for x
    x = 137,591,008,865.97/542,926.75
  6. Step 6: Final answer
    x = 253,424.63

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Similar ratio
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1.5x scale

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.