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Finding the Fourth Proportional to 1,094.14, 1,638.37 and 606.52

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Solution

The fourth proportional to 1,094.14, 1,638.37 and 606.52 is: 908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.14 : 1,638.37 = 606.52 : x
  2. Step 2: Convert to fraction form
    1,094.14/1,638.37 = 606.52/x
  3. Step 3: Cross multiply
    1,094.14x = 1,638.37 × 606.52
  4. Step 4: Simplify right side
    1,094.14x = 993,692.95
  5. Step 5: Solve for x
    x = 993,692.95/1,094.14
  6. Step 6: Final answer
    x = 908.20

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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.