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Finding the Fourth Proportional to 497.17, 745.30 and 188.93

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Solution

The fourth proportional to 497.17, 745.30 and 188.93 is: 283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.17 : 745.30 = 188.93 : x
  2. Step 2: Convert to fraction form
    497.17/745.30 = 188.93/x
  3. Step 3: Cross multiply
    497.17x = 745.30 × 188.93
  4. Step 4: Simplify right side
    497.17x = 140,808.58
  5. Step 5: Solve for x
    x = 140,808.58/497.17
  6. Step 6: Final answer
    x = 283.22

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