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Finding the Fourth Proportional to 541.52, 747.42 and 454.04

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Solution

The fourth proportional to 541.52, 747.42 and 454.04 is: 626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.52 : 747.42 = 454.04 : x
  2. Step 2: Convert to fraction form
    541.52/747.42 = 454.04/x
  3. Step 3: Cross multiply
    541.52x = 747.42 × 454.04
  4. Step 4: Simplify right side
    541.52x = 339,358.58
  5. Step 5: Solve for x
    x = 339,358.58/541.52
  6. Step 6: Final answer
    x = 626.68

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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.