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Finding the Fourth Proportional to 260,759.28, 359,865.72 and 146,040.24

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Solution

The fourth proportional to 260,759.28, 359,865.72 and 146,040.24 is: 201,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,759.28 : 359,865.72 = 146,040.24 : x
  2. Step 2: Convert to fraction form
    260,759.28/359,865.72 = 146,040.24/x
  3. Step 3: Cross multiply
    260,759.28x = 359,865.72 × 146,040.24
  4. Step 4: Simplify right side
    260,759.28x = 52,554,876,116.57
  5. Step 5: Solve for x
    x = 52,554,876,116.57/260,759.28
  6. Step 6: Final answer
    x = 201,545.56

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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.