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Finding the Fourth Proportional to 873.24, 1,204.23 and 593.79

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Solution

The fourth proportional to 873.24, 1,204.23 and 593.79 is: 818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.24 : 1,204.23 = 593.79 : x
  2. Step 2: Convert to fraction form
    873.24/1,204.23 = 593.79/x
  3. Step 3: Cross multiply
    873.24x = 1,204.23 × 593.79
  4. Step 4: Simplify right side
    873.24x = 715,059.73
  5. Step 5: Solve for x
    x = 715,059.73/873.24
  6. Step 6: Final answer
    x = 818.86

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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.