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Finding the Fourth Proportional to 846.84, 1,167.18 and 584.52

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Solution

The fourth proportional to 846.84, 1,167.18 and 584.52 is: 805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.84 : 1,167.18 = 584.52 : x
  2. Step 2: Convert to fraction form
    846.84/1,167.18 = 584.52/x
  3. Step 3: Cross multiply
    846.84x = 1,167.18 × 584.52
  4. Step 4: Simplify right side
    846.84x = 682,240.05
  5. Step 5: Solve for x
    x = 682,240.05/846.84
  6. Step 6: Final answer
    x = 805.63

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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.