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Finding the Fourth Proportional to 363,537.92, 545,555.97 and 126,880.60

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Solution

The fourth proportional to 363,537.92, 545,555.97 and 126,880.60 is: 190,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,537.92 : 545,555.97 = 126,880.60 : x
  2. Step 2: Convert to fraction form
    363,537.92/545,555.97 = 126,880.60/x
  3. Step 3: Cross multiply
    363,537.92x = 545,555.97 × 126,880.60
  4. Step 4: Simplify right side
    363,537.92x = 69,220,466,079.40
  5. Step 5: Solve for x
    x = 69,220,466,079.40/363,537.92
  6. Step 6: Final answer
    x = 190,407.83

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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.