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Finding the Fourth Proportional to 824.95, 1,237.47 and 593.20

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Solution

The fourth proportional to 824.95, 1,237.47 and 593.20 is: 889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.95 : 1,237.47 = 593.20 : x
  2. Step 2: Convert to fraction form
    824.95/1,237.47 = 593.20/x
  3. Step 3: Cross multiply
    824.95x = 1,237.47 × 593.20
  4. Step 4: Simplify right side
    824.95x = 734,067.20
  5. Step 5: Solve for x
    x = 734,067.20/824.95
  6. Step 6: Final answer
    x = 889.83

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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.