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Finding the Fourth Proportional to 1,372.49, 2,058.52 and 448.04

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Solution

The fourth proportional to 1,372.49, 2,058.52 and 448.04 is: 671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.49 : 2,058.52 = 448.04 : x
  2. Step 2: Convert to fraction form
    1,372.49/2,058.52 = 448.04/x
  3. Step 3: Cross multiply
    1,372.49x = 2,058.52 × 448.04
  4. Step 4: Simplify right side
    1,372.49x = 922,299.30
  5. Step 5: Solve for x
    x = 922,299.30/1,372.49
  6. Step 6: Final answer
    x = 671.99

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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.