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Finding the Fourth Proportional to 832.44, 1,147.92 and 583.68

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Solution

The fourth proportional to 832.44, 1,147.92 and 583.68 is: 804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.44 : 1,147.92 = 583.68 : x
  2. Step 2: Convert to fraction form
    832.44/1,147.92 = 583.68/x
  3. Step 3: Cross multiply
    832.44x = 1,147.92 × 583.68
  4. Step 4: Simplify right side
    832.44x = 670,017.95
  5. Step 5: Solve for x
    x = 670,017.95/832.44
  6. Step 6: Final answer
    x = 804.88

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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.