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Finding the Fourth Proportional to 316.08, 473.58 and 247.59

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Solution

The fourth proportional to 316.08, 473.58 and 247.59 is: 370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.08 : 473.58 = 247.59 : x
  2. Step 2: Convert to fraction form
    316.08/473.58 = 247.59/x
  3. Step 3: Cross multiply
    316.08x = 473.58 × 247.59
  4. Step 4: Simplify right side
    316.08x = 117,253.67
  5. Step 5: Solve for x
    x = 117,253.67/316.08
  6. Step 6: Final answer
    x = 370.96

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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.