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Finding the Fourth Proportional to 442,908.80, 611,211.12 and 241,704.80

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Solution

The fourth proportional to 442,908.80, 611,211.12 and 241,704.80 is: 333,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,908.80 : 611,211.12 = 241,704.80 : x
  2. Step 2: Convert to fraction form
    442,908.80/611,211.12 = 241,704.80/x
  3. Step 3: Cross multiply
    442,908.80x = 611,211.12 × 241,704.80
  4. Step 4: Simplify right side
    442,908.80x = 147,732,661,517.38
  5. Step 5: Solve for x
    x = 147,732,661,517.38/442,908.80
  6. Step 6: Final answer
    x = 333,550.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.