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Finding the Fourth Proportional to 1,500.26, 2,250.96 and 576.45

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Solution

The fourth proportional to 1,500.26, 2,250.96 and 576.45 is: 864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.26 : 2,250.96 = 576.45 : x
  2. Step 2: Convert to fraction form
    1,500.26/2,250.96 = 576.45/x
  3. Step 3: Cross multiply
    1,500.26x = 2,250.96 × 576.45
  4. Step 4: Simplify right side
    1,500.26x = 1,297,563.73
  5. Step 5: Solve for x
    x = 1,297,563.73/1,500.26
  6. Step 6: Final answer
    x = 864.90

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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.