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Finding the Fourth Proportional to 622.08, 933.12 and 362.48

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Solution

The fourth proportional to 622.08, 933.12 and 362.48 is: 543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.08 : 933.12 = 362.48 : x
  2. Step 2: Convert to fraction form
    622.08/933.12 = 362.48/x
  3. Step 3: Cross multiply
    622.08x = 933.12 × 362.48
  4. Step 4: Simplify right side
    622.08x = 338,232.67
  5. Step 5: Solve for x
    x = 338,232.67/622.08
  6. Step 6: Final answer
    x = 543.71

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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.