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Finding the Fourth Proportional to 884.96, 1,326.25 and 495.08

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Solution

The fourth proportional to 884.96, 1,326.25 and 495.08 is: 741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.96 : 1,326.25 = 495.08 : x
  2. Step 2: Convert to fraction form
    884.96/1,326.25 = 495.08/x
  3. Step 3: Cross multiply
    884.96x = 1,326.25 × 495.08
  4. Step 4: Simplify right side
    884.96x = 656,599.85
  5. Step 5: Solve for x
    x = 656,599.85/884.96
  6. Step 6: Final answer
    x = 741.95

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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.