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Finding the Fourth Proportional to 362,011.53, 499,568.28 and 200,863.11

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Solution

The fourth proportional to 362,011.53, 499,568.28 and 200,863.11 is: 277,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,011.53 : 499,568.28 = 200,863.11 : x
  2. Step 2: Convert to fraction form
    362,011.53/499,568.28 = 200,863.11/x
  3. Step 3: Cross multiply
    362,011.53x = 499,568.28 × 200,863.11
  4. Step 4: Simplify right side
    362,011.53x = 100,344,838,378.15
  5. Step 5: Solve for x
    x = 100,344,838,378.15/362,011.53
  6. Step 6: Final answer
    x = 277,186.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.