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Finding the Fourth Proportional to 539.23, 804.13 and 480.24

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Solution

The fourth proportional to 539.23, 804.13 and 480.24 is: 716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.23 : 804.13 = 480.24 : x
  2. Step 2: Convert to fraction form
    539.23/804.13 = 480.24/x
  3. Step 3: Cross multiply
    539.23x = 804.13 × 480.24
  4. Step 4: Simplify right side
    539.23x = 386,175.39
  5. Step 5: Solve for x
    x = 386,175.39/539.23
  6. Step 6: Final answer
    x = 716.16

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.