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Finding the Fourth Proportional to 823.77, 1,240.49 and 594.26

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Solution

The fourth proportional to 823.77, 1,240.49 and 594.26 is: 894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    823.77 : 1,240.49 = 594.26 : x
  2. Step 2: Convert to fraction form
    823.77/1,240.49 = 594.26/x
  3. Step 3: Cross multiply
    823.77x = 1,240.49 × 594.26
  4. Step 4: Simplify right side
    823.77x = 737,164.41
  5. Step 5: Solve for x
    x = 737,164.41/823.77
  6. Step 6: Final answer
    x = 894.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.