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Finding the Fourth Proportional to 741.62, 1,023.44 and 410.04

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Solution

The fourth proportional to 741.62, 1,023.44 and 410.04 is: 565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.62 : 1,023.44 = 410.04 : x
  2. Step 2: Convert to fraction form
    741.62/1,023.44 = 410.04/x
  3. Step 3: Cross multiply
    741.62x = 1,023.44 × 410.04
  4. Step 4: Simplify right side
    741.62x = 419,649.29
  5. Step 5: Solve for x
    x = 419,649.29/741.62
  6. Step 6: Final answer
    x = 565.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.