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Finding the Fourth Proportional to 449,545.32, 674,416.56 and 169,062.60

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Solution

The fourth proportional to 449,545.32, 674,416.56 and 169,062.60 is: 253,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,545.32 : 674,416.56 = 169,062.60 : x
  2. Step 2: Convert to fraction form
    449,545.32/674,416.56 = 169,062.60/x
  3. Step 3: Cross multiply
    449,545.32x = 674,416.56 × 169,062.60
  4. Step 4: Simplify right side
    449,545.32x = 114,018,617,116.66
  5. Step 5: Solve for x
    x = 114,018,617,116.66/449,545.32
  6. Step 6: Final answer
    x = 253,630.97

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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.