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Finding the Fourth Proportional to 600,091.25, 900,226.40 and 220,982.85

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Solution

The fourth proportional to 600,091.25, 900,226.40 and 220,982.85 is: 331,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,091.25 : 900,226.40 = 220,982.85 : x
  2. Step 2: Convert to fraction form
    600,091.25/900,226.40 = 220,982.85/x
  3. Step 3: Cross multiply
    600,091.25x = 900,226.40 × 220,982.85
  4. Step 4: Simplify right side
    600,091.25x = 198,934,594,412.33
  5. Step 5: Solve for x
    x = 198,934,594,412.33/600,091.25
  6. Step 6: Final answer
    x = 331,507.24

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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.