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Finding the Fourth Proportional to 434.64, 651.59 and 174.48

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Solution

The fourth proportional to 434.64, 651.59 and 174.48 is: 261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.64 : 651.59 = 174.48 : x
  2. Step 2: Convert to fraction form
    434.64/651.59 = 174.48/x
  3. Step 3: Cross multiply
    434.64x = 651.59 × 174.48
  4. Step 4: Simplify right side
    434.64x = 113,689.42
  5. Step 5: Solve for x
    x = 113,689.42/434.64
  6. Step 6: Final answer
    x = 261.57

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