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Finding the Fourth Proportional to 1,488.67, 2,232.60 and 564.73

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Solution

The fourth proportional to 1,488.67, 2,232.60 and 564.73 is: 846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.67 : 2,232.60 = 564.73 : x
  2. Step 2: Convert to fraction form
    1,488.67/2,232.60 = 564.73/x
  3. Step 3: Cross multiply
    1,488.67x = 2,232.60 × 564.73
  4. Step 4: Simplify right side
    1,488.67x = 1,260,816.20
  5. Step 5: Solve for x
    x = 1,260,816.20/1,488.67
  6. Step 6: Final answer
    x = 846.94

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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.