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Finding the Fourth Proportional to 362,220.30, 543,330.45 and 125,586.90

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Solution

The fourth proportional to 362,220.30, 543,330.45 and 125,586.90 is: 188,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,220.30 : 543,330.45 = 125,586.90 : x
  2. Step 2: Convert to fraction form
    362,220.30/543,330.45 = 125,586.90/x
  3. Step 3: Cross multiply
    362,220.30x = 543,330.45 × 125,586.90
  4. Step 4: Simplify right side
    362,220.30x = 68,235,186,891.11
  5. Step 5: Solve for x
    x = 68,235,186,891.11/362,220.30
  6. Step 6: Final answer
    x = 188,380.35

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Similar ratio
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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.