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Finding the Fourth Proportional to 895.24, 1,233.78 and 662.44

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Solution

The fourth proportional to 895.24, 1,233.78 and 662.44 is: 912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.24 : 1,233.78 = 662.44 : x
  2. Step 2: Convert to fraction form
    895.24/1,233.78 = 662.44/x
  3. Step 3: Cross multiply
    895.24x = 1,233.78 × 662.44
  4. Step 4: Simplify right side
    895.24x = 817,305.22
  5. Step 5: Solve for x
    x = 817,305.22/895.24
  6. Step 6: Final answer
    x = 912.95

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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.