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Finding the Fourth Proportional to 316.04, 473.02 and 224.20

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Solution

The fourth proportional to 316.04, 473.02 and 224.20 is: 335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.04 : 473.02 = 224.20 : x
  2. Step 2: Convert to fraction form
    316.04/473.02 = 224.20/x
  3. Step 3: Cross multiply
    316.04x = 473.02 × 224.20
  4. Step 4: Simplify right side
    316.04x = 106,051.08
  5. Step 5: Solve for x
    x = 106,051.08/316.04
  6. Step 6: Final answer
    x = 335.56

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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.