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Finding the Fourth Proportional to 307,416.31, 424,234.86 and 169,592.11

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Solution

The fourth proportional to 307,416.31, 424,234.86 and 169,592.11 is: 234,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,416.31 : 424,234.86 = 169,592.11 : x
  2. Step 2: Convert to fraction form
    307,416.31/424,234.86 = 169,592.11/x
  3. Step 3: Cross multiply
    307,416.31x = 424,234.86 × 169,592.11
  4. Step 4: Simplify right side
    307,416.31x = 71,946,885,042.95
  5. Step 5: Solve for x
    x = 71,946,885,042.95/307,416.31
  6. Step 6: Final answer
    x = 234,037.31

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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.