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Finding the Fourth Proportional to 451,192.36, 676,763.61 and 151,642

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Solution

The fourth proportional to 451,192.36, 676,763.61 and 151,642 is: 227,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,192.36 : 676,763.61 = 151,642 : x
  2. Step 2: Convert to fraction form
    451,192.36/676,763.61 = 151,642/x
  3. Step 3: Cross multiply
    451,192.36x = 676,763.61 × 151,642
  4. Step 4: Simplify right side
    451,192.36x = 102,625,787,347.62
  5. Step 5: Solve for x
    x = 102,625,787,347.62/451,192.36
  6. Step 6: Final answer
    x = 227,454.62

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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.