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Finding the Fourth Proportional to 462.34, 693.48 and 202.33

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Solution

The fourth proportional to 462.34, 693.48 and 202.33 is: 303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.34 : 693.48 = 202.33 : x
  2. Step 2: Convert to fraction form
    462.34/693.48 = 202.33/x
  3. Step 3: Cross multiply
    462.34x = 693.48 × 202.33
  4. Step 4: Simplify right side
    462.34x = 140,311.81
  5. Step 5: Solve for x
    x = 140,311.81/462.34
  6. Step 6: Final answer
    x = 303.48

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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.