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Finding the Fourth Proportional to 541,942.72, 812,691.56 and 162,730.96

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Solution

The fourth proportional to 541,942.72, 812,691.56 and 162,730.96 is: 244,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,942.72 : 812,691.56 = 162,730.96 : x
  2. Step 2: Convert to fraction form
    541,942.72/812,691.56 = 162,730.96/x
  3. Step 3: Cross multiply
    541,942.72x = 812,691.56 × 162,730.96
  4. Step 4: Simplify right side
    541,942.72x = 132,250,077,742.70
  5. Step 5: Solve for x
    x = 132,250,077,742.70/541,942.72
  6. Step 6: Final answer
    x = 244,029.62

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1.5x scale

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.