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Finding the Fourth Proportional to 1,169.26, 1,752.67 and 475.65

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Solution

The fourth proportional to 1,169.26, 1,752.67 and 475.65 is: 712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.26 : 1,752.67 = 475.65 : x
  2. Step 2: Convert to fraction form
    1,169.26/1,752.67 = 475.65/x
  3. Step 3: Cross multiply
    1,169.26x = 1,752.67 × 475.65
  4. Step 4: Simplify right side
    1,169.26x = 833,657.49
  5. Step 5: Solve for x
    x = 833,657.49/1,169.26
  6. Step 6: Final answer
    x = 712.98

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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.