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Finding the Fourth Proportional to 836.24, 1,152.99 and 504.54

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Solution

The fourth proportional to 836.24, 1,152.99 and 504.54 is: 695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.24 : 1,152.99 = 504.54 : x
  2. Step 2: Convert to fraction form
    836.24/1,152.99 = 504.54/x
  3. Step 3: Cross multiply
    836.24x = 1,152.99 × 504.54
  4. Step 4: Simplify right side
    836.24x = 581,729.57
  5. Step 5: Solve for x
    x = 581,729.57/836.24
  6. Step 6: Final answer
    x = 695.65

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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.