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Finding the Fourth Proportional to 462.02, 693.24 and 202.22

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Solution

The fourth proportional to 462.02, 693.24 and 202.22 is: 303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.02 : 693.24 = 202.22 : x
  2. Step 2: Convert to fraction form
    462.02/693.24 = 202.22/x
  3. Step 3: Cross multiply
    462.02x = 693.24 × 202.22
  4. Step 4: Simplify right side
    462.02x = 140,182.52
  5. Step 5: Solve for x
    x = 140,182.52/462.02
  6. Step 6: Final answer
    x = 303.41

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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.