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Finding the Fourth Proportional to 951.17, 1,426.98 and 334.88

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Solution

The fourth proportional to 951.17, 1,426.98 and 334.88 is: 502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.17 : 1,426.98 = 334.88 : x
  2. Step 2: Convert to fraction form
    951.17/1,426.98 = 334.88/x
  3. Step 3: Cross multiply
    951.17x = 1,426.98 × 334.88
  4. Step 4: Simplify right side
    951.17x = 477,859.93
  5. Step 5: Solve for x
    x = 477,859.93/951.17
  6. Step 6: Final answer
    x = 502.39

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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.