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Finding the Fourth Proportional to 240,854.40, 360,844.20 and 147,250.80

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Solution

The fourth proportional to 240,854.40, 360,844.20 and 147,250.80 is: 220,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,854.40 : 360,844.20 = 147,250.80 : x
  2. Step 2: Convert to fraction form
    240,854.40/360,844.20 = 147,250.80/x
  3. Step 3: Cross multiply
    240,854.40x = 360,844.20 × 147,250.80
  4. Step 4: Simplify right side
    240,854.40x = 53,134,597,125.36
  5. Step 5: Solve for x
    x = 53,134,597,125.36/240,854.40
  6. Step 6: Final answer
    x = 220,608.79

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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.