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Finding the Fourth Proportional to 934.04, 1,398.80 and 568.02

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Solution

The fourth proportional to 934.04, 1,398.80 and 568.02 is: 850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.04 : 1,398.80 = 568.02 : x
  2. Step 2: Convert to fraction form
    934.04/1,398.80 = 568.02/x
  3. Step 3: Cross multiply
    934.04x = 1,398.80 × 568.02
  4. Step 4: Simplify right side
    934.04x = 794,546.38
  5. Step 5: Solve for x
    x = 794,546.38/934.04
  6. Step 6: Final answer
    x = 850.66

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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.