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Finding the Fourth Proportional to 362,162.80, 542,207.40 and 222,194.80

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Solution

The fourth proportional to 362,162.80, 542,207.40 and 222,194.80 is: 332,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,162.80 : 542,207.40 = 222,194.80 : x
  2. Step 2: Convert to fraction form
    362,162.80/542,207.40 = 222,194.80/x
  3. Step 3: Cross multiply
    362,162.80x = 542,207.40 × 222,194.80
  4. Step 4: Simplify right side
    362,162.80x = 120,475,664,801.52
  5. Step 5: Solve for x
    x = 120,475,664,801.52/362,162.80
  6. Step 6: Final answer
    x = 332,656.10

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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.