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Finding the Fourth Proportional to 1,356.54, 2,034.94 and 369.37

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Solution

The fourth proportional to 1,356.54, 2,034.94 and 369.37 is: 554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.54 : 2,034.94 = 369.37 : x
  2. Step 2: Convert to fraction form
    1,356.54/2,034.94 = 369.37/x
  3. Step 3: Cross multiply
    1,356.54x = 2,034.94 × 369.37
  4. Step 4: Simplify right side
    1,356.54x = 751,635.61
  5. Step 5: Solve for x
    x = 751,635.61/1,356.54
  6. Step 6: Final answer
    x = 554.08

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Why These Related Problems?

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