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Finding the Fourth Proportional to 1,554.54, 2,331.81 and 400.29

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Solution

The fourth proportional to 1,554.54, 2,331.81 and 400.29 is: 600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.54 : 2,331.81 = 400.29 : x
  2. Step 2: Convert to fraction form
    1,554.54/2,331.81 = 400.29/x
  3. Step 3: Cross multiply
    1,554.54x = 2,331.81 × 400.29
  4. Step 4: Simplify right side
    1,554.54x = 933,400.22
  5. Step 5: Solve for x
    x = 933,400.22/1,554.54
  6. Step 6: Final answer
    x = 600.44

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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.