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Finding the Fourth Proportional to 1,663.28, 2,494.85 and 567.01

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Solution

The fourth proportional to 1,663.28, 2,494.85 and 567.01 is: 850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.28 : 2,494.85 = 567.01 : x
  2. Step 2: Convert to fraction form
    1,663.28/2,494.85 = 567.01/x
  3. Step 3: Cross multiply
    1,663.28x = 2,494.85 × 567.01
  4. Step 4: Simplify right side
    1,663.28x = 1,414,595.83
  5. Step 5: Solve for x
    x = 1,414,595.83/1,663.28
  6. Step 6: Final answer
    x = 850.49

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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.