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Finding the Fourth Proportional to 361,612.80, 541,900.80 and 266,097.60

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Solution

The fourth proportional to 361,612.80, 541,900.80 and 266,097.60 is: 398,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,612.80 : 541,900.80 = 266,097.60 : x
  2. Step 2: Convert to fraction form
    361,612.80/541,900.80 = 266,097.60/x
  3. Step 3: Cross multiply
    361,612.80x = 541,900.80 × 266,097.60
  4. Step 4: Simplify right side
    361,612.80x = 144,198,502,318.08
  5. Step 5: Solve for x
    x = 144,198,502,318.08/361,612.80
  6. Step 6: Final answer
    x = 398,764.93

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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.