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Finding the Fourth Proportional to 541,892.72, 812,876.34 and 162,797.60

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Solution

The fourth proportional to 541,892.72, 812,876.34 and 162,797.60 is: 244,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,892.72 : 812,876.34 = 162,797.60 : x
  2. Step 2: Convert to fraction form
    541,892.72/812,876.34 = 162,797.60/x
  3. Step 3: Cross multiply
    541,892.72x = 812,876.34 × 162,797.60
  4. Step 4: Simplify right side
    541,892.72x = 132,334,317,248.78
  5. Step 5: Solve for x
    x = 132,334,317,248.78/541,892.72
  6. Step 6: Final answer
    x = 244,207.59

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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.