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Finding the Fourth Proportional to 632.42, 948.11 and 358.14

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Solution

The fourth proportional to 632.42, 948.11 and 358.14 is: 536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.42 : 948.11 = 358.14 : x
  2. Step 2: Convert to fraction form
    632.42/948.11 = 358.14/x
  3. Step 3: Cross multiply
    632.42x = 948.11 × 358.14
  4. Step 4: Simplify right side
    632.42x = 339,552.55
  5. Step 5: Solve for x
    x = 339,552.55/632.42
  6. Step 6: Final answer
    x = 536.91

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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.