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Finding the Fourth Proportional to 834.42, 1,252.11 and 464.52

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Solution

The fourth proportional to 834.42, 1,252.11 and 464.52 is: 697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.42 : 1,252.11 = 464.52 : x
  2. Step 2: Convert to fraction form
    834.42/1,252.11 = 464.52/x
  3. Step 3: Cross multiply
    834.42x = 1,252.11 × 464.52
  4. Step 4: Simplify right side
    834.42x = 581,630.14
  5. Step 5: Solve for x
    x = 581,630.14/834.42
  6. Step 6: Final answer
    x = 697.05

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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.