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Finding the Fourth Proportional to 426.74, 588.92 and 260.92

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Solution

The fourth proportional to 426.74, 588.92 and 260.92 is: 360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.74 : 588.92 = 260.92 : x
  2. Step 2: Convert to fraction form
    426.74/588.92 = 260.92/x
  3. Step 3: Cross multiply
    426.74x = 588.92 × 260.92
  4. Step 4: Simplify right side
    426.74x = 153,659.70
  5. Step 5: Solve for x
    x = 153,659.70/426.74
  6. Step 6: Final answer
    x = 360.08

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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.