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Finding the Fourth Proportional to 240,378.10, 360,626.19 and 82,608.82

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Solution

The fourth proportional to 240,378.10, 360,626.19 and 82,608.82 is: 123,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,378.10 : 360,626.19 = 82,608.82 : x
  2. Step 2: Convert to fraction form
    240,378.10/360,626.19 = 82,608.82/x
  3. Step 3: Cross multiply
    240,378.10x = 360,626.19 × 82,608.82
  4. Step 4: Simplify right side
    240,378.10x = 29,790,904,017.00
  5. Step 5: Solve for x
    x = 29,790,904,017.00/240,378.10
  6. Step 6: Final answer
    x = 123,933.52

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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.