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Finding the Fourth Proportional to 363,937.85, 502,227.50 and 198,367.25

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Solution

The fourth proportional to 363,937.85, 502,227.50 and 198,367.25 is: 273,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,937.85 : 502,227.50 = 198,367.25 : x
  2. Step 2: Convert to fraction form
    363,937.85/502,227.50 = 198,367.25/x
  3. Step 3: Cross multiply
    363,937.85x = 502,227.50 × 198,367.25
  4. Step 4: Simplify right side
    363,937.85x = 99,625,484,546.40
  5. Step 5: Solve for x
    x = 99,625,484,546.40/363,937.85
  6. Step 6: Final answer
    x = 273,743.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.