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Finding the Fourth Proportional to 363,456.90, 501,585.30 and 202,301.73

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Solution

The fourth proportional to 363,456.90, 501,585.30 and 202,301.73 is: 279,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,456.90 : 501,585.30 = 202,301.73 : x
  2. Step 2: Convert to fraction form
    363,456.90/501,585.30 = 202,301.73/x
  3. Step 3: Cross multiply
    363,456.90x = 501,585.30 × 202,301.73
  4. Step 4: Simplify right side
    363,456.90x = 101,471,573,932.57
  5. Step 5: Solve for x
    x = 101,471,573,932.57/363,456.90
  6. Step 6: Final answer
    x = 279,184.61

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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.