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Finding the Fourth Proportional to 969.11, 1,337.33 and 527.00

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Solution

The fourth proportional to 969.11, 1,337.33 and 527.00 is: 727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.11 : 1,337.33 = 527.00 : x
  2. Step 2: Convert to fraction form
    969.11/1,337.33 = 527.00/x
  3. Step 3: Cross multiply
    969.11x = 1,337.33 × 527.00
  4. Step 4: Simplify right side
    969.11x = 704,766.22
  5. Step 5: Solve for x
    x = 704,766.22/969.11
  6. Step 6: Final answer
    x = 727.23

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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.