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Finding the Fourth Proportional to 462.13, 693.00 and 188.04

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Solution

The fourth proportional to 462.13, 693.00 and 188.04 is: 281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.13 : 693.00 = 188.04 : x
  2. Step 2: Convert to fraction form
    462.13/693.00 = 188.04/x
  3. Step 3: Cross multiply
    462.13x = 693.00 × 188.04
  4. Step 4: Simplify right side
    462.13x = 130,308.73
  5. Step 5: Solve for x
    x = 130,308.73/462.13
  6. Step 6: Final answer
    x = 281.97

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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.