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Finding the Fourth Proportional to 1,127.97, 1,692.15 and 337.32

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Solution

The fourth proportional to 1,127.97, 1,692.15 and 337.32 is: 506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.97 : 1,692.15 = 337.32 : x
  2. Step 2: Convert to fraction form
    1,127.97/1,692.15 = 337.32/x
  3. Step 3: Cross multiply
    1,127.97x = 1,692.15 × 337.32
  4. Step 4: Simplify right side
    1,127.97x = 570,796.04
  5. Step 5: Solve for x
    x = 570,796.04/1,127.97
  6. Step 6: Final answer
    x = 506.04

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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.