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Finding the Fourth Proportional to 590.52, 885.17 and 281.91

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Solution

The fourth proportional to 590.52, 885.17 and 281.91 is: 422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.52 : 885.17 = 281.91 : x
  2. Step 2: Convert to fraction form
    590.52/885.17 = 281.91/x
  3. Step 3: Cross multiply
    590.52x = 885.17 × 281.91
  4. Step 4: Simplify right side
    590.52x = 249,536.87
  5. Step 5: Solve for x
    x = 249,536.87/590.52
  6. Step 6: Final answer
    x = 422.57

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