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Finding the Fourth Proportional to 795.32, 1,195.42 and 659.24

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Solution

The fourth proportional to 795.32, 1,195.42 and 659.24 is: 990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.32 : 1,195.42 = 659.24 : x
  2. Step 2: Convert to fraction form
    795.32/1,195.42 = 659.24/x
  3. Step 3: Cross multiply
    795.32x = 1,195.42 × 659.24
  4. Step 4: Simplify right side
    795.32x = 788,068.68
  5. Step 5: Solve for x
    x = 788,068.68/795.32
  6. Step 6: Final answer
    x = 990.88

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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.