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Finding the Fourth Proportional to 442,087.20, 610,080.35 and 240,883.20

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Solution

The fourth proportional to 442,087.20, 610,080.35 and 240,883.20 is: 332,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,087.20 : 610,080.35 = 240,883.20 : x
  2. Step 2: Convert to fraction form
    442,087.20/610,080.35 = 240,883.20/x
  3. Step 3: Cross multiply
    442,087.20x = 610,080.35 × 240,883.20
  4. Step 4: Simplify right side
    442,087.20x = 146,958,105,760.70
  5. Step 5: Solve for x
    x = 146,958,105,760.70/442,087.20
  6. Step 6: Final answer
    x = 332,418.82

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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.