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Finding the Fourth Proportional to 951.34, 1,427.10 and 395.93

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Solution

The fourth proportional to 951.34, 1,427.10 and 395.93 is: 593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.34 : 1,427.10 = 395.93 : x
  2. Step 2: Convert to fraction form
    951.34/1,427.10 = 395.93/x
  3. Step 3: Cross multiply
    951.34x = 1,427.10 × 395.93
  4. Step 4: Simplify right side
    951.34x = 565,029.72
  5. Step 5: Solve for x
    x = 565,029.72/951.34
  6. Step 6: Final answer
    x = 593.93

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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.