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Finding the Fourth Proportional to 399,910.60, 600,017.42 and 240,098.14

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Solution

The fourth proportional to 399,910.60, 600,017.42 and 240,098.14 is: 360,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,910.60 : 600,017.42 = 240,098.14 : x
  2. Step 2: Convert to fraction form
    399,910.60/600,017.42 = 240,098.14/x
  3. Step 3: Cross multiply
    399,910.60x = 600,017.42 × 240,098.14
  4. Step 4: Simplify right side
    399,910.60x = 144,063,067,859.87
  5. Step 5: Solve for x
    x = 144,063,067,859.87/399,910.60
  6. Step 6: Final answer
    x = 360,238.18

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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.