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Finding the Fourth Proportional to 426.69, 588.94 and 252

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Solution

The fourth proportional to 426.69, 588.94 and 252 is: 347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.69 : 588.94 = 252 : x
  2. Step 2: Convert to fraction form
    426.69/588.94 = 252/x
  3. Step 3: Cross multiply
    426.69x = 588.94 × 252
  4. Step 4: Simplify right side
    426.69x = 148,412.25
  5. Step 5: Solve for x
    x = 148,412.25/426.69
  6. Step 6: Final answer
    x = 347.82

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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.