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Finding the Fourth Proportional to 846.39, 1,167.97 and 473.29

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Solution

The fourth proportional to 846.39, 1,167.97 and 473.29 is: 653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.39 : 1,167.97 = 473.29 : x
  2. Step 2: Convert to fraction form
    846.39/1,167.97 = 473.29/x
  3. Step 3: Cross multiply
    846.39x = 1,167.97 × 473.29
  4. Step 4: Simplify right side
    846.39x = 552,788.52
  5. Step 5: Solve for x
    x = 552,788.52/846.39
  6. Step 6: Final answer
    x = 653.11

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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.