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Finding the Fourth Proportional to 632.44, 946.92 and 358.12

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Solution

The fourth proportional to 632.44, 946.92 and 358.12 is: 536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.44 : 946.92 = 358.12 : x
  2. Step 2: Convert to fraction form
    632.44/946.92 = 358.12/x
  3. Step 3: Cross multiply
    632.44x = 946.92 × 358.12
  4. Step 4: Simplify right side
    632.44x = 339,110.99
  5. Step 5: Solve for x
    x = 339,110.99/632.44
  6. Step 6: Final answer
    x = 536.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.