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Finding the Fourth Proportional to 541,689.73, 812,532.57 and 162,608.83

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Solution

The fourth proportional to 541,689.73, 812,532.57 and 162,608.83 is: 243,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,689.73 : 812,532.57 = 162,608.83 : x
  2. Step 2: Convert to fraction form
    541,689.73/812,532.57 = 162,608.83/x
  3. Step 3: Cross multiply
    541,689.73x = 812,532.57 × 162,608.83
  4. Step 4: Simplify right side
    541,689.73x = 132,124,970,544.59
  5. Step 5: Solve for x
    x = 132,124,970,544.59/541,689.73
  6. Step 6: Final answer
    x = 243,912.64

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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.