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Finding the Fourth Proportional to 336.96, 465.12 and 295.56

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Solution

The fourth proportional to 336.96, 465.12 and 295.56 is: 407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.96 : 465.12 = 295.56 : x
  2. Step 2: Convert to fraction form
    336.96/465.12 = 295.56/x
  3. Step 3: Cross multiply
    336.96x = 465.12 × 295.56
  4. Step 4: Simplify right side
    336.96x = 137,470.87
  5. Step 5: Solve for x
    x = 137,470.87/336.96
  6. Step 6: Final answer
    x = 407.97

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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.