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Finding the Fourth Proportional to 1,336.55, 1,844.39 and 739.08

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Solution

The fourth proportional to 1,336.55, 1,844.39 and 739.08 is: 1,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.55 : 1,844.39 = 739.08 : x
  2. Step 2: Convert to fraction form
    1,336.55/1,844.39 = 739.08/x
  3. Step 3: Cross multiply
    1,336.55x = 1,844.39 × 739.08
  4. Step 4: Simplify right side
    1,336.55x = 1,363,153.61
  5. Step 5: Solve for x
    x = 1,363,153.61/1,336.55
  6. Step 6: Final answer
    x = 1,019.91

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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.