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Finding the Fourth Proportional to 472.42, 651.97 and 275.93

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Solution

The fourth proportional to 472.42, 651.97 and 275.93 is: 380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.42 : 651.97 = 275.93 : x
  2. Step 2: Convert to fraction form
    472.42/651.97 = 275.93/x
  3. Step 3: Cross multiply
    472.42x = 651.97 × 275.93
  4. Step 4: Simplify right side
    472.42x = 179,898.08
  5. Step 5: Solve for x
    x = 179,898.08/472.42
  6. Step 6: Final answer
    x = 380.80

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