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Finding the Fourth Proportional to 622.16, 931.80 and 567.92

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Solution

The fourth proportional to 622.16, 931.80 and 567.92 is: 850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.16 : 931.80 = 567.92 : x
  2. Step 2: Convert to fraction form
    622.16/931.80 = 567.92/x
  3. Step 3: Cross multiply
    622.16x = 931.80 × 567.92
  4. Step 4: Simplify right side
    622.16x = 529,187.86
  5. Step 5: Solve for x
    x = 529,187.86/622.16
  6. Step 6: Final answer
    x = 850.57

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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.