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Finding the Fourth Proportional to 574,295.46, 861,497.42 and 169,489.20

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Solution

The fourth proportional to 574,295.46, 861,497.42 and 169,489.20 is: 254,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,295.46 : 861,497.42 = 169,489.20 : x
  2. Step 2: Convert to fraction form
    574,295.46/861,497.42 = 169,489.20/x
  3. Step 3: Cross multiply
    574,295.46x = 861,497.42 × 169,489.20
  4. Step 4: Simplify right side
    574,295.46x = 146,014,507,670.42
  5. Step 5: Solve for x
    x = 146,014,507,670.42/574,295.46
  6. Step 6: Final answer
    x = 254,249.80

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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.