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Finding the Fourth Proportional to 577,449.96, 866,324.43 and 178,081.92

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Solution

The fourth proportional to 577,449.96, 866,324.43 and 178,081.92 is: 267,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,449.96 : 866,324.43 = 178,081.92 : x
  2. Step 2: Convert to fraction form
    577,449.96/866,324.43 = 178,081.92/x
  3. Step 3: Cross multiply
    577,449.96x = 866,324.43 × 178,081.92
  4. Step 4: Simplify right side
    577,449.96x = 154,276,717,837.31
  5. Step 5: Solve for x
    x = 154,276,717,837.31/577,449.96
  6. Step 6: Final answer
    x = 267,168.98

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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.