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Finding the Fourth Proportional to 220,230.88, 330,346.32 and 62,439.64

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Solution

The fourth proportional to 220,230.88, 330,346.32 and 62,439.64 is: 93,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,230.88 : 330,346.32 = 62,439.64 : x
  2. Step 2: Convert to fraction form
    220,230.88/330,346.32 = 62,439.64/x
  3. Step 3: Cross multiply
    220,230.88x = 330,346.32 × 62,439.64
  4. Step 4: Simplify right side
    220,230.88x = 20,626,705,296.12
  5. Step 5: Solve for x
    x = 20,626,705,296.12/220,230.88
  6. Step 6: Final answer
    x = 93,659.46

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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.