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Finding the Fourth Proportional to 362,575.70, 543,863.55 and 308,921.30

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Solution

The fourth proportional to 362,575.70, 543,863.55 and 308,921.30 is: 463,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,575.70 : 543,863.55 = 308,921.30 : x
  2. Step 2: Convert to fraction form
    362,575.70/543,863.55 = 308,921.30/x
  3. Step 3: Cross multiply
    362,575.70x = 543,863.55 × 308,921.30
  4. Step 4: Simplify right side
    362,575.70x = 168,011,034,888.62
  5. Step 5: Solve for x
    x = 168,011,034,888.62/362,575.70
  6. Step 6: Final answer
    x = 463,381.95

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Similar ratio
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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.