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Finding the Fourth Proportional to 362,233.20, 543,349.80 and 220,515.60

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Solution

The fourth proportional to 362,233.20, 543,349.80 and 220,515.60 is: 330,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,233.20 : 543,349.80 = 220,515.60 : x
  2. Step 2: Convert to fraction form
    362,233.20/543,349.80 = 220,515.60/x
  3. Step 3: Cross multiply
    362,233.20x = 543,349.80 × 220,515.60
  4. Step 4: Simplify right side
    362,233.20x = 119,817,107,156.88
  5. Step 5: Solve for x
    x = 119,817,107,156.88/362,233.20
  6. Step 6: Final answer
    x = 330,773.40

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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.