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Finding the Fourth Proportional to 363,937.65, 502,227.23 and 198,367.05

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Solution

The fourth proportional to 363,937.65, 502,227.23 and 198,367.05 is: 273,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,937.65 : 502,227.23 = 198,367.05 : x
  2. Step 2: Convert to fraction form
    363,937.65/502,227.23 = 198,367.05/x
  3. Step 3: Cross multiply
    363,937.65x = 502,227.23 × 198,367.05
  4. Step 4: Simplify right side
    363,937.65x = 99,625,330,541.80
  5. Step 5: Solve for x
    x = 99,625,330,541.80/363,937.65
  6. Step 6: Final answer
    x = 273,742.86

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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.