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Finding the Fourth Proportional to 462.29, 693.44 and 202.11

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Solution

The fourth proportional to 462.29, 693.44 and 202.11 is: 303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.29 : 693.44 = 202.11 : x
  2. Step 2: Convert to fraction form
    462.29/693.44 = 202.11/x
  3. Step 3: Cross multiply
    462.29x = 693.44 × 202.11
  4. Step 4: Simplify right side
    462.29x = 140,150.15
  5. Step 5: Solve for x
    x = 140,150.15/462.29
  6. Step 6: Final answer
    x = 303.17

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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.