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Finding the Fourth Proportional to 1,169.48, 1,754.46 and 400.04

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Solution

The fourth proportional to 1,169.48, 1,754.46 and 400.04 is: 600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.48 : 1,754.46 = 400.04 : x
  2. Step 2: Convert to fraction form
    1,169.48/1,754.46 = 400.04/x
  3. Step 3: Cross multiply
    1,169.48x = 1,754.46 × 400.04
  4. Step 4: Simplify right side
    1,169.48x = 701,854.18
  5. Step 5: Solve for x
    x = 701,854.18/1,169.48
  6. Step 6: Final answer
    x = 600.14

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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.