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Finding the Fourth Proportional to 316.04, 473.92 and 133.34

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Solution

The fourth proportional to 316.04, 473.92 and 133.34 is: 199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.04 : 473.92 = 133.34 : x
  2. Step 2: Convert to fraction form
    316.04/473.92 = 133.34/x
  3. Step 3: Cross multiply
    316.04x = 473.92 × 133.34
  4. Step 4: Simplify right side
    316.04x = 63,189.46
  5. Step 5: Solve for x
    x = 63,189.46/316.04
  6. Step 6: Final answer
    x = 199.94

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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.