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Finding the Fourth Proportional to 1,500.67, 2,250.60 and 576.73

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Solution

The fourth proportional to 1,500.67, 2,250.60 and 576.73 is: 864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.67 : 2,250.60 = 576.73 : x
  2. Step 2: Convert to fraction form
    1,500.67/2,250.60 = 576.73/x
  3. Step 3: Cross multiply
    1,500.67x = 2,250.60 × 576.73
  4. Step 4: Simplify right side
    1,500.67x = 1,297,988.54
  5. Step 5: Solve for x
    x = 1,297,988.54/1,500.67
  6. Step 6: Final answer
    x = 864.94

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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.