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Finding the Fourth Proportional to 449,605.92, 674,393.28 and 112,649.52

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Solution

The fourth proportional to 449,605.92, 674,393.28 and 112,649.52 is: 168,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,605.92 : 674,393.28 = 112,649.52 : x
  2. Step 2: Convert to fraction form
    449,605.92/674,393.28 = 112,649.52/x
  3. Step 3: Cross multiply
    449,605.92x = 674,393.28 × 112,649.52
  4. Step 4: Simplify right side
    449,605.92x = 75,970,079,283.23
  5. Step 5: Solve for x
    x = 75,970,079,283.23/449,605.92
  6. Step 6: Final answer
    x = 168,970.37

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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.