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Finding the Fourth Proportional to 884, 1,326.38 and 473.02

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Solution

The fourth proportional to 884, 1,326.38 and 473.02 is: 709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    884 : 1,326.38 = 473.02 : x
  2. Step 2: Convert to fraction form
    884/1,326.38 = 473.02/x
  3. Step 3: Cross multiply
    884x = 1,326.38 × 473.02
  4. Step 4: Simplify right side
    884x = 627,404.27
  5. Step 5: Solve for x
    x = 627,404.27/884
  6. Step 6: Final answer
    x = 709.73

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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.