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Finding the Fourth Proportional to 951.14, 1,312.12 and 601.63

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Solution

The fourth proportional to 951.14, 1,312.12 and 601.63 is: 829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.14 : 1,312.12 = 601.63 : x
  2. Step 2: Convert to fraction form
    951.14/1,312.12 = 601.63/x
  3. Step 3: Cross multiply
    951.14x = 1,312.12 × 601.63
  4. Step 4: Simplify right side
    951.14x = 789,410.76
  5. Step 5: Solve for x
    x = 789,410.76/951.14
  6. Step 6: Final answer
    x = 829.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.