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Finding the Fourth Proportional to 360,489.92, 541,059.90 and 192,150.46

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Solution

The fourth proportional to 360,489.92, 541,059.90 and 192,150.46 is: 288,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,489.92 : 541,059.90 = 192,150.46 : x
  2. Step 2: Convert to fraction form
    360,489.92/541,059.90 = 192,150.46/x
  3. Step 3: Cross multiply
    360,489.92x = 541,059.90 × 192,150.46
  4. Step 4: Simplify right side
    360,489.92x = 103,964,907,319.90
  5. Step 5: Solve for x
    x = 103,964,907,319.90/360,489.92
  6. Step 6: Final answer
    x = 288,398.93

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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.