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Finding the Fourth Proportional to 334.26, 502.29 and 325.62

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Solution

The fourth proportional to 334.26, 502.29 and 325.62 is: 489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.26 : 502.29 = 325.62 : x
  2. Step 2: Convert to fraction form
    334.26/502.29 = 325.62/x
  3. Step 3: Cross multiply
    334.26x = 502.29 × 325.62
  4. Step 4: Simplify right side
    334.26x = 163,555.67
  5. Step 5: Solve for x
    x = 163,555.67/334.26
  6. Step 6: Final answer
    x = 489.31

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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.