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Finding the Fourth Proportional to 220,231.88, 330,347.82 and 62,440.64

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Solution

The fourth proportional to 220,231.88, 330,347.82 and 62,440.64 is: 93,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,231.88 : 330,347.82 = 62,440.64 : x
  2. Step 2: Convert to fraction form
    220,231.88/330,347.82 = 62,440.64/x
  3. Step 3: Cross multiply
    220,231.88x = 330,347.82 × 62,440.64
  4. Step 4: Simplify right side
    220,231.88x = 20,627,129,303.40
  5. Step 5: Solve for x
    x = 20,627,129,303.40/220,231.88
  6. Step 6: Final answer
    x = 93,660.96

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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.