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Finding the Fourth Proportional to 610.77, 916.16 and 177.96

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Solution

The fourth proportional to 610.77, 916.16 and 177.96 is: 266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.77 : 916.16 = 177.96 : x
  2. Step 2: Convert to fraction form
    610.77/916.16 = 177.96/x
  3. Step 3: Cross multiply
    610.77x = 916.16 × 177.96
  4. Step 4: Simplify right side
    610.77x = 163,038.94
  5. Step 5: Solve for x
    x = 163,038.94/610.77
  6. Step 6: Final answer
    x = 266.94

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