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Finding the Fourth Proportional to 933.68, 1,398.84 and 567.62

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Solution

The fourth proportional to 933.68, 1,398.84 and 567.62 is: 850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.68 : 1,398.84 = 567.62 : x
  2. Step 2: Convert to fraction form
    933.68/1,398.84 = 567.62/x
  3. Step 3: Cross multiply
    933.68x = 1,398.84 × 567.62
  4. Step 4: Simplify right side
    933.68x = 794,002.57
  5. Step 5: Solve for x
    x = 794,002.57/933.68
  6. Step 6: Final answer
    x = 850.41

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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.