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Finding the Fourth Proportional to 368.76, 552.53 and 260.33

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Solution

The fourth proportional to 368.76, 552.53 and 260.33 is: 390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.76 : 552.53 = 260.33 : x
  2. Step 2: Convert to fraction form
    368.76/552.53 = 260.33/x
  3. Step 3: Cross multiply
    368.76x = 552.53 × 260.33
  4. Step 4: Simplify right side
    368.76x = 143,840.13
  5. Step 5: Solve for x
    x = 143,840.13/368.76
  6. Step 6: Final answer
    x = 390.06

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