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Finding the Fourth Proportional to 336.29, 504 and 315.52

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Solution

The fourth proportional to 336.29, 504 and 315.52 is: 472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.29 : 504 = 315.52 : x
  2. Step 2: Convert to fraction form
    336.29/504 = 315.52/x
  3. Step 3: Cross multiply
    336.29x = 504 × 315.52
  4. Step 4: Simplify right side
    336.29x = 159,020.82
  5. Step 5: Solve for x
    x = 159,020.82/336.29
  6. Step 6: Final answer
    x = 472.88

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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.