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Finding the Fourth Proportional to 1,166.85, 1,750.34 and 301.23

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Solution

The fourth proportional to 1,166.85, 1,750.34 and 301.23 is: 451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.85 : 1,750.34 = 301.23 : x
  2. Step 2: Convert to fraction form
    1,166.85/1,750.34 = 301.23/x
  3. Step 3: Cross multiply
    1,166.85x = 1,750.34 × 301.23
  4. Step 4: Simplify right side
    1,166.85x = 527,253.41
  5. Step 5: Solve for x
    x = 527,253.41/1,166.85
  6. Step 6: Final answer
    x = 451.86

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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.