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Finding the Fourth Proportional to 432,883.66, 649,471.29 and 272,773.66

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Solution

The fourth proportional to 432,883.66, 649,471.29 and 272,773.66 is: 409,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,883.66 : 649,471.29 = 272,773.66 : x
  2. Step 2: Convert to fraction form
    432,883.66/649,471.29 = 272,773.66/x
  3. Step 3: Cross multiply
    432,883.66x = 649,471.29 × 272,773.66
  4. Step 4: Simplify right side
    432,883.66x = 177,158,660,838.22
  5. Step 5: Solve for x
    x = 177,158,660,838.22/432,883.66
  6. Step 6: Final answer
    x = 409,252.36

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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.