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Finding the Fourth Proportional to 541,685.73, 812,526.57 and 162,604.83

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Solution

The fourth proportional to 541,685.73, 812,526.57 and 162,604.83 is: 243,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,685.73 : 812,526.57 = 162,604.83 : x
  2. Step 2: Convert to fraction form
    541,685.73/812,526.57 = 162,604.83/x
  3. Step 3: Cross multiply
    541,685.73x = 812,526.57 × 162,604.83
  4. Step 4: Simplify right side
    541,685.73x = 132,120,744,785.33
  5. Step 5: Solve for x
    x = 132,120,744,785.33/541,685.73
  6. Step 6: Final answer
    x = 243,906.64

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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.