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Finding the Fourth Proportional to 798.07, 1,195.88 and 335.59

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Solution

The fourth proportional to 798.07, 1,195.88 and 335.59 is: 502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.07 : 1,195.88 = 335.59 : x
  2. Step 2: Convert to fraction form
    798.07/1,195.88 = 335.59/x
  3. Step 3: Cross multiply
    798.07x = 1,195.88 × 335.59
  4. Step 4: Simplify right side
    798.07x = 401,323.69
  5. Step 5: Solve for x
    x = 401,323.69/798.07
  6. Step 6: Final answer
    x = 502.87

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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.