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Finding the Fourth Proportional to 461.93, 693.14 and 201.92

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Solution

The fourth proportional to 461.93, 693.14 and 201.92 is: 302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.93 : 693.14 = 201.92 : x
  2. Step 2: Convert to fraction form
    461.93/693.14 = 201.92/x
  3. Step 3: Cross multiply
    461.93x = 693.14 × 201.92
  4. Step 4: Simplify right side
    461.93x = 139,954.35
  5. Step 5: Solve for x
    x = 139,954.35/461.93
  6. Step 6: Final answer
    x = 302.98

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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.