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Finding the Fourth Proportional to 336.24, 503.68 and 326.52

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Solution

The fourth proportional to 336.24, 503.68 and 326.52 is: 489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 503.68 = 326.52 : x
  2. Step 2: Convert to fraction form
    336.24/503.68 = 326.52/x
  3. Step 3: Cross multiply
    336.24x = 503.68 × 326.52
  4. Step 4: Simplify right side
    336.24x = 164,461.59
  5. Step 5: Solve for x
    x = 164,461.59/336.24
  6. Step 6: Final answer
    x = 489.12

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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.