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Finding the Fourth Proportional to 846.10, 1,167.61 and 514.46

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Solution

The fourth proportional to 846.10, 1,167.61 and 514.46 is: 709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.10 : 1,167.61 = 514.46 : x
  2. Step 2: Convert to fraction form
    846.10/1,167.61 = 514.46/x
  3. Step 3: Cross multiply
    846.10x = 1,167.61 × 514.46
  4. Step 4: Simplify right side
    846.10x = 600,690.27
  5. Step 5: Solve for x
    x = 600,690.27/846.10
  6. Step 6: Final answer
    x = 709.95

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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.