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Finding the Fourth Proportional to 951.16, 1,426.63 and 402.93

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Solution

The fourth proportional to 951.16, 1,426.63 and 402.93 is: 604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.16 : 1,426.63 = 402.93 : x
  2. Step 2: Convert to fraction form
    951.16/1,426.63 = 402.93/x
  3. Step 3: Cross multiply
    951.16x = 1,426.63 × 402.93
  4. Step 4: Simplify right side
    951.16x = 574,832.03
  5. Step 5: Solve for x
    x = 574,832.03/951.16
  6. Step 6: Final answer
    x = 604.35

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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.