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Finding the Fourth Proportional to 622.44, 933.81 and 362.64

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Solution

The fourth proportional to 622.44, 933.81 and 362.64 is: 544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.44 : 933.81 = 362.64 : x
  2. Step 2: Convert to fraction form
    622.44/933.81 = 362.64/x
  3. Step 3: Cross multiply
    622.44x = 933.81 × 362.64
  4. Step 4: Simplify right side
    622.44x = 338,636.86
  5. Step 5: Solve for x
    x = 338,636.86/622.44
  6. Step 6: Final answer
    x = 544.05

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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.