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Finding the Fourth Proportional to 825.73, 1,237.00 and 565.11

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Solution

The fourth proportional to 825.73, 1,237.00 and 565.11 is: 846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    825.73 : 1,237.00 = 565.11 : x
  2. Step 2: Convert to fraction form
    825.73/1,237.00 = 565.11/x
  3. Step 3: Cross multiply
    825.73x = 1,237.00 × 565.11
  4. Step 4: Simplify right side
    825.73x = 699,039.13
  5. Step 5: Solve for x
    x = 699,039.13/825.73
  6. Step 6: Final answer
    x = 846.57

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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.