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Finding the Fourth Proportional to 1,116.44, 1,673.61 and 567.98

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Solution

The fourth proportional to 1,116.44, 1,673.61 and 567.98 is: 851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.44 : 1,673.61 = 567.98 : x
  2. Step 2: Convert to fraction form
    1,116.44/1,673.61 = 567.98/x
  3. Step 3: Cross multiply
    1,116.44x = 1,673.61 × 567.98
  4. Step 4: Simplify right side
    1,116.44x = 950,577.01
  5. Step 5: Solve for x
    x = 950,577.01/1,116.44
  6. Step 6: Final answer
    x = 851.44

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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.