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Finding the Fourth Proportional to 951.48, 1,426.88 and 335.02

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Solution

The fourth proportional to 951.48, 1,426.88 and 335.02 is: 502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.48 : 1,426.88 = 335.02 : x
  2. Step 2: Convert to fraction form
    951.48/1,426.88 = 335.02/x
  3. Step 3: Cross multiply
    951.48x = 1,426.88 × 335.02
  4. Step 4: Simplify right side
    951.48x = 478,033.34
  5. Step 5: Solve for x
    x = 478,033.34/951.48
  6. Step 6: Final answer
    x = 502.41

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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.