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Finding the Fourth Proportional to 363,938.54, 502,230.08 and 202,800.38

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Solution

The fourth proportional to 363,938.54, 502,230.08 and 202,800.38 is: 279,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,938.54 : 502,230.08 = 202,800.38 : x
  2. Step 2: Convert to fraction form
    363,938.54/502,230.08 = 202,800.38/x
  3. Step 3: Cross multiply
    363,938.54x = 502,230.08 × 202,800.38
  4. Step 4: Simplify right side
    363,938.54x = 101,852,451,071.43
  5. Step 5: Solve for x
    x = 101,852,451,071.43/363,938.54
  6. Step 6: Final answer
    x = 279,861.68

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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.