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Finding the Fourth Proportional to 951.57, 1,426.50 and 335.17

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Solution

The fourth proportional to 951.57, 1,426.50 and 335.17 is: 502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.57 : 1,426.50 = 335.17 : x
  2. Step 2: Convert to fraction form
    951.57/1,426.50 = 335.17/x
  3. Step 3: Cross multiply
    951.57x = 1,426.50 × 335.17
  4. Step 4: Simplify right side
    951.57x = 478,120.43
  5. Step 5: Solve for x
    x = 478,120.43/951.57
  6. Step 6: Final answer
    x = 502.45

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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.