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Finding the Fourth Proportional to 220,456.67, 330,624.93 and 60,494.68

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Solution

The fourth proportional to 220,456.67, 330,624.93 and 60,494.68 is: 90,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,456.67 : 330,624.93 = 60,494.68 : x
  2. Step 2: Convert to fraction form
    220,456.67/330,624.93 = 60,494.68/x
  3. Step 3: Cross multiply
    220,456.67x = 330,624.93 × 60,494.68
  4. Step 4: Simplify right side
    220,456.67x = 20,001,047,687.25
  5. Step 5: Solve for x
    x = 20,001,047,687.25/220,456.67
  6. Step 6: Final answer
    x = 90,725.53

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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.