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Finding the Fourth Proportional to 362,219.40, 543,205.98 and 125,506.80

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Solution

The fourth proportional to 362,219.40, 543,205.98 and 125,506.80 is: 188,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,219.40 : 543,205.98 = 125,506.80 : x
  2. Step 2: Convert to fraction form
    362,219.40/543,205.98 = 125,506.80/x
  3. Step 3: Cross multiply
    362,219.40x = 543,205.98 × 125,506.80
  4. Step 4: Simplify right side
    362,219.40x = 68,176,044,290.66
  5. Step 5: Solve for x
    x = 68,176,044,290.66/362,219.40
  6. Step 6: Final answer
    x = 188,217.54

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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.