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Finding the Fourth Proportional to 362,440.80, 542,624.40 and 222,472.80

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Solution

The fourth proportional to 362,440.80, 542,624.40 and 222,472.80 is: 333,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,440.80 : 542,624.40 = 222,472.80 : x
  2. Step 2: Convert to fraction form
    362,440.80/542,624.40 = 222,472.80/x
  3. Step 3: Cross multiply
    362,440.80x = 542,624.40 × 222,472.80
  4. Step 4: Simplify right side
    362,440.80x = 120,719,169,616.32
  5. Step 5: Solve for x
    x = 120,719,169,616.32/362,440.80
  6. Step 6: Final answer
    x = 333,072.79

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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.