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Finding the Fourth Proportional to 363,910.85, 502,190.28 and 202,762.43

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Solution

The fourth proportional to 363,910.85, 502,190.28 and 202,762.43 is: 279,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,910.85 : 502,190.28 = 202,762.43 : x
  2. Step 2: Convert to fraction form
    363,910.85/502,190.28 = 202,762.43/x
  3. Step 3: Cross multiply
    363,910.85x = 502,190.28 × 202,762.43
  4. Step 4: Simplify right side
    363,910.85x = 101,825,322,750.66
  5. Step 5: Solve for x
    x = 101,825,322,750.66/363,910.85
  6. Step 6: Final answer
    x = 279,808.43

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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.