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Finding the Fourth Proportional to 392,362.14, 588,393.82 and 232,483.20

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Solution

The fourth proportional to 392,362.14, 588,393.82 and 232,483.20 is: 348,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,362.14 : 588,393.82 = 232,483.20 : x
  2. Step 2: Convert to fraction form
    392,362.14/588,393.82 = 232,483.20/x
  3. Step 3: Cross multiply
    392,362.14x = 588,393.82 × 232,483.20
  4. Step 4: Simplify right side
    392,362.14x = 136,791,676,217.95
  5. Step 5: Solve for x
    x = 136,791,676,217.95/392,362.14
  6. Step 6: Final answer
    x = 348,636.27

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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.