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Finding the Fourth Proportional to 622.08, 932.88 and 237.36

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Solution

The fourth proportional to 622.08, 932.88 and 237.36 is: 355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.08 : 932.88 = 237.36 : x
  2. Step 2: Convert to fraction form
    622.08/932.88 = 237.36/x
  3. Step 3: Cross multiply
    622.08x = 932.88 × 237.36
  4. Step 4: Simplify right side
    622.08x = 221,428.40
  5. Step 5: Solve for x
    x = 221,428.40/622.08
  6. Step 6: Final answer
    x = 355.95

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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.