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Finding the Fourth Proportional to 392,604.24, 541,807.18 and 220,552.58

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Solution

The fourth proportional to 392,604.24, 541,807.18 and 220,552.58 is: 304,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,604.24 : 541,807.18 = 220,552.58 : x
  2. Step 2: Convert to fraction form
    392,604.24/541,807.18 = 220,552.58/x
  3. Step 3: Cross multiply
    392,604.24x = 541,807.18 × 220,552.58
  4. Step 4: Simplify right side
    392,604.24x = 119,496,971,411.52
  5. Step 5: Solve for x
    x = 119,496,971,411.52/392,604.24
  6. Step 6: Final answer
    x = 304,370.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.