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Finding the Fourth Proportional to 484,702.24, 727,042.92 and 129,716.20

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Solution

The fourth proportional to 484,702.24, 727,042.92 and 129,716.20 is: 194,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,702.24 : 727,042.92 = 129,716.20 : x
  2. Step 2: Convert to fraction form
    484,702.24/727,042.92 = 129,716.20/x
  3. Step 3: Cross multiply
    484,702.24x = 727,042.92 × 129,716.20
  4. Step 4: Simplify right side
    484,702.24x = 94,309,244,819.30
  5. Step 5: Solve for x
    x = 94,309,244,819.30/484,702.24
  6. Step 6: Final answer
    x = 194,571.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.