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Finding the Fourth Proportional to 712.36, 1,067.10 and 468.52

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Solution

The fourth proportional to 712.36, 1,067.10 and 468.52 is: 701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712.36 : 1,067.10 = 468.52 : x
  2. Step 2: Convert to fraction form
    712.36/1,067.10 = 468.52/x
  3. Step 3: Cross multiply
    712.36x = 1,067.10 × 468.52
  4. Step 4: Simplify right side
    712.36x = 499,957.69
  5. Step 5: Solve for x
    x = 499,957.69/712.36
  6. Step 6: Final answer
    x = 701.83

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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.