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Finding the Fourth Proportional to 583.28, 874.72 and 236.52

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Solution

The fourth proportional to 583.28, 874.72 and 236.52 is: 354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.28 : 874.72 = 236.52 : x
  2. Step 2: Convert to fraction form
    583.28/874.72 = 236.52/x
  3. Step 3: Cross multiply
    583.28x = 874.72 × 236.52
  4. Step 4: Simplify right side
    583.28x = 206,888.77
  5. Step 5: Solve for x
    x = 206,888.77/583.28
  6. Step 6: Final answer
    x = 354.70

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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.