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Finding the Fourth Proportional to 335.48, 462.67 and 316.04

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Solution

The fourth proportional to 335.48, 462.67 and 316.04 is: 435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.48 : 462.67 = 316.04 : x
  2. Step 2: Convert to fraction form
    335.48/462.67 = 316.04/x
  3. Step 3: Cross multiply
    335.48x = 462.67 × 316.04
  4. Step 4: Simplify right side
    335.48x = 146,219.12
  5. Step 5: Solve for x
    x = 146,219.12/335.48
  6. Step 6: Final answer
    x = 435.86

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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.