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Finding the Fourth Proportional to 363,392.80, 501,498.57 and 202,258.15

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Solution

The fourth proportional to 363,392.80, 501,498.57 and 202,258.15 is: 279,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392.80 : 501,498.57 = 202,258.15 : x
  2. Step 2: Convert to fraction form
    363,392.80/501,498.57 = 202,258.15/x
  3. Step 3: Cross multiply
    363,392.80x = 501,498.57 × 202,258.15
  4. Step 4: Simplify right side
    363,392.80x = 101,432,172,500.57
  5. Step 5: Solve for x
    x = 101,432,172,500.57/363,392.80
  6. Step 6: Final answer
    x = 279,125.43

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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.