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Finding the Fourth Proportional to 1,537.92, 2,306.52 and 563.40

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Solution

The fourth proportional to 1,537.92, 2,306.52 and 563.40 is: 844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.92 : 2,306.52 = 563.40 : x
  2. Step 2: Convert to fraction form
    1,537.92/2,306.52 = 563.40/x
  3. Step 3: Cross multiply
    1,537.92x = 2,306.52 × 563.40
  4. Step 4: Simplify right side
    1,537.92x = 1,299,493.37
  5. Step 5: Solve for x
    x = 1,299,493.37/1,537.92
  6. Step 6: Final answer
    x = 844.97

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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.