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Finding the Fourth Proportional to 362,726.78, 543,449.50 and 220,281.39

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Solution

The fourth proportional to 362,726.78, 543,449.50 and 220,281.39 is: 330,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,726.78 : 543,449.50 = 220,281.39 : x
  2. Step 2: Convert to fraction form
    362,726.78/543,449.50 = 220,281.39/x
  3. Step 3: Cross multiply
    362,726.78x = 543,449.50 × 220,281.39
  4. Step 4: Simplify right side
    362,726.78x = 119,711,810,704.10
  5. Step 5: Solve for x
    x = 119,711,810,704.10/362,726.78
  6. Step 6: Final answer
    x = 330,033.01

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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.