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Finding the Fourth Proportional to 1,149.67, 1,723.28 and 564.85

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Solution

The fourth proportional to 1,149.67, 1,723.28 and 564.85 is: 846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.67 : 1,723.28 = 564.85 : x
  2. Step 2: Convert to fraction form
    1,149.67/1,723.28 = 564.85/x
  3. Step 3: Cross multiply
    1,149.67x = 1,723.28 × 564.85
  4. Step 4: Simplify right side
    1,149.67x = 973,394.71
  5. Step 5: Solve for x
    x = 973,394.71/1,149.67
  6. Step 6: Final answer
    x = 846.67

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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.