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Finding the Fourth Proportional to 846.28, 1,167.09 and 566.38

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Solution

The fourth proportional to 846.28, 1,167.09 and 566.38 is: 781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.28 : 1,167.09 = 566.38 : x
  2. Step 2: Convert to fraction form
    846.28/1,167.09 = 566.38/x
  3. Step 3: Cross multiply
    846.28x = 1,167.09 × 566.38
  4. Step 4: Simplify right side
    846.28x = 661,016.43
  5. Step 5: Solve for x
    x = 661,016.43/846.28
  6. Step 6: Final answer
    x = 781.08

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1.5x scale

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.