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Finding the Fourth Proportional to 933.42, 1,398.77 and 567.33

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Solution

The fourth proportional to 933.42, 1,398.77 and 567.33 is: 850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.42 : 1,398.77 = 567.33 : x
  2. Step 2: Convert to fraction form
    933.42/1,398.77 = 567.33/x
  3. Step 3: Cross multiply
    933.42x = 1,398.77 × 567.33
  4. Step 4: Simplify right side
    933.42x = 793,562.16
  5. Step 5: Solve for x
    x = 793,562.16/933.42
  6. Step 6: Final answer
    x = 850.16

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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.