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Finding the Fourth Proportional to 361,630.80, 541,927.80 and 266,115.60

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Solution

The fourth proportional to 361,630.80, 541,927.80 and 266,115.60 is: 398,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,630.80 : 541,927.80 = 266,115.60 : x
  2. Step 2: Convert to fraction form
    361,630.80/541,927.80 = 266,115.60/x
  3. Step 3: Cross multiply
    361,630.80x = 541,927.80 × 266,115.60
  4. Step 4: Simplify right side
    361,630.80x = 144,215,441,653.68
  5. Step 5: Solve for x
    x = 144,215,441,653.68/361,630.80
  6. Step 6: Final answer
    x = 398,791.92

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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.