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Finding the Fourth Proportional to 613.11, 844.66 and 501.94

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Solution

The fourth proportional to 613.11, 844.66 and 501.94 is: 691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.11 : 844.66 = 501.94 : x
  2. Step 2: Convert to fraction form
    613.11/844.66 = 501.94/x
  3. Step 3: Cross multiply
    613.11x = 844.66 × 501.94
  4. Step 4: Simplify right side
    613.11x = 423,968.64
  5. Step 5: Solve for x
    x = 423,968.64/613.11
  6. Step 6: Final answer
    x = 691.51

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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.