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Finding the Fourth Proportional to 363,013.20, 543,863.70 and 310,525.20

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Solution

The fourth proportional to 363,013.20, 543,863.70 and 310,525.20 is: 465,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,013.20 : 543,863.70 = 310,525.20 : x
  2. Step 2: Convert to fraction form
    363,013.20/543,863.70 = 310,525.20/x
  3. Step 3: Cross multiply
    363,013.20x = 543,863.70 × 310,525.20
  4. Step 4: Simplify right side
    363,013.20x = 168,883,384,215.24
  5. Step 5: Solve for x
    x = 168,883,384,215.24/363,013.20
  6. Step 6: Final answer
    x = 465,226.57

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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.