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Finding the Fourth Proportional to 611.66, 844.02 and 363.18

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Solution

The fourth proportional to 611.66, 844.02 and 363.18 is: 501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.66 : 844.02 = 363.18 : x
  2. Step 2: Convert to fraction form
    611.66/844.02 = 363.18/x
  3. Step 3: Cross multiply
    611.66x = 844.02 × 363.18
  4. Step 4: Simplify right side
    611.66x = 306,531.18
  5. Step 5: Solve for x
    x = 306,531.18/611.66
  6. Step 6: Final answer
    x = 501.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.