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Finding the Fourth Proportional to 392,737.29, 589,094.19 and 108,445.11

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Solution

The fourth proportional to 392,737.29, 589,094.19 and 108,445.11 is: 162,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,737.29 : 589,094.19 = 108,445.11 : x
  2. Step 2: Convert to fraction form
    392,737.29/589,094.19 = 108,445.11/x
  3. Step 3: Cross multiply
    392,737.29x = 589,094.19 × 108,445.11
  4. Step 4: Simplify right side
    392,737.29x = 63,884,384,234.91
  5. Step 5: Solve for x
    x = 63,884,384,234.91/392,737.29
  6. Step 6: Final answer
    x = 162,664.42

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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.