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Finding the Fourth Proportional to 1,174.89, 1,762.73 and 444.67

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Solution

The fourth proportional to 1,174.89, 1,762.73 and 444.67 is: 667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.89 : 1,762.73 = 444.67 : x
  2. Step 2: Convert to fraction form
    1,174.89/1,762.73 = 444.67/x
  3. Step 3: Cross multiply
    1,174.89x = 1,762.73 × 444.67
  4. Step 4: Simplify right side
    1,174.89x = 783,833.15
  5. Step 5: Solve for x
    x = 783,833.15/1,174.89
  6. Step 6: Final answer
    x = 667.15

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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.