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Finding the Fourth Proportional to 399,340.80, 598,233.60 and 241,099.20

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Solution

The fourth proportional to 399,340.80, 598,233.60 and 241,099.20 is: 361,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,340.80 : 598,233.60 = 241,099.20 : x
  2. Step 2: Convert to fraction form
    399,340.80/598,233.60 = 241,099.20/x
  3. Step 3: Cross multiply
    399,340.80x = 598,233.60 × 241,099.20
  4. Step 4: Simplify right side
    399,340.80x = 144,233,642,373.12
  5. Step 5: Solve for x
    x = 144,233,642,373.12/399,340.80
  6. Step 6: Final answer
    x = 361,179.33

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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.