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Finding the Fourth Proportional to 1,074.86, 1,612.26 and 588.86

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Solution

The fourth proportional to 1,074.86, 1,612.26 and 588.86 is: 883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.86 : 1,612.26 = 588.86 : x
  2. Step 2: Convert to fraction form
    1,074.86/1,612.26 = 588.86/x
  3. Step 3: Cross multiply
    1,074.86x = 1,612.26 × 588.86
  4. Step 4: Simplify right side
    1,074.86x = 949,395.42
  5. Step 5: Solve for x
    x = 949,395.42/1,074.86
  6. Step 6: Final answer
    x = 883.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.