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Finding the Fourth Proportional to 426.36, 588.22 and 295.48

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Solution

The fourth proportional to 426.36, 588.22 and 295.48 is: 407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.36 : 588.22 = 295.48 : x
  2. Step 2: Convert to fraction form
    426.36/588.22 = 295.48/x
  3. Step 3: Cross multiply
    426.36x = 588.22 × 295.48
  4. Step 4: Simplify right side
    426.36x = 173,805.04
  5. Step 5: Solve for x
    x = 173,805.04/426.36
  6. Step 6: Final answer
    x = 407.65

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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.