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Finding the Fourth Proportional to 408,802.41, 613,234.17 and 109,276.11

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Solution

The fourth proportional to 408,802.41, 613,234.17 and 109,276.11 is: 163,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,802.41 : 613,234.17 = 109,276.11 : x
  2. Step 2: Convert to fraction form
    408,802.41/613,234.17 = 109,276.11/x
  3. Step 3: Cross multiply
    408,802.41x = 613,234.17 × 109,276.11
  4. Step 4: Simplify right side
    408,802.41x = 67,011,844,616.68
  5. Step 5: Solve for x
    x = 67,011,844,616.68/408,802.41
  6. Step 6: Final answer
    x = 163,922.33

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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.