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Finding the Fourth Proportional to 613.07, 846.96 and 559.61

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Solution

The fourth proportional to 613.07, 846.96 and 559.61 is: 773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.07 : 846.96 = 559.61 : x
  2. Step 2: Convert to fraction form
    613.07/846.96 = 559.61/x
  3. Step 3: Cross multiply
    613.07x = 846.96 × 559.61
  4. Step 4: Simplify right side
    613.07x = 473,967.29
  5. Step 5: Solve for x
    x = 473,967.29/613.07
  6. Step 6: Final answer
    x = 773.10

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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.