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Finding the Fourth Proportional to 933.30, 1,398.41 and 566.98

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Solution

The fourth proportional to 933.30, 1,398.41 and 566.98 is: 849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.30 : 1,398.41 = 566.98 : x
  2. Step 2: Convert to fraction form
    933.30/1,398.41 = 566.98/x
  3. Step 3: Cross multiply
    933.30x = 1,398.41 × 566.98
  4. Step 4: Simplify right side
    933.30x = 792,866.30
  5. Step 5: Solve for x
    x = 792,866.30/933.30
  6. Step 6: Final answer
    x = 849.53

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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.