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Finding the Fourth Proportional to 622.56, 933.20 and 237.52

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Solution

The fourth proportional to 622.56, 933.20 and 237.52 is: 356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.56 : 933.20 = 237.52 : x
  2. Step 2: Convert to fraction form
    622.56/933.20 = 237.52/x
  3. Step 3: Cross multiply
    622.56x = 933.20 × 237.52
  4. Step 4: Simplify right side
    622.56x = 221,653.66
  5. Step 5: Solve for x
    x = 221,653.66/622.56
  6. Step 6: Final answer
    x = 356.04

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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.