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Finding the Fourth Proportional to 240,619.20, 360,928.80 and 224,872.80

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Solution

The fourth proportional to 240,619.20, 360,928.80 and 224,872.80 is: 337,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,619.20 : 360,928.80 = 224,872.80 : x
  2. Step 2: Convert to fraction form
    240,619.20/360,928.80 = 224,872.80/x
  3. Step 3: Cross multiply
    240,619.20x = 360,928.80 × 224,872.80
  4. Step 4: Simplify right side
    240,619.20x = 81,163,069,856.64
  5. Step 5: Solve for x
    x = 81,163,069,856.64/240,619.20
  6. Step 6: Final answer
    x = 337,309.20

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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.