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Finding the Fourth Proportional to 504.54, 756.81 and 260.73

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Solution

The fourth proportional to 504.54, 756.81 and 260.73 is: 391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.54 : 756.81 = 260.73 : x
  2. Step 2: Convert to fraction form
    504.54/756.81 = 260.73/x
  3. Step 3: Cross multiply
    504.54x = 756.81 × 260.73
  4. Step 4: Simplify right side
    504.54x = 197,323.07
  5. Step 5: Solve for x
    x = 197,323.07/504.54
  6. Step 6: Final answer
    x = 391.10

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