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Finding the Fourth Proportional to 1,659.08, 2,488.47 and 563.33

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Solution

The fourth proportional to 1,659.08, 2,488.47 and 563.33 is: 844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.08 : 2,488.47 = 563.33 : x
  2. Step 2: Convert to fraction form
    1,659.08/2,488.47 = 563.33/x
  3. Step 3: Cross multiply
    1,659.08x = 2,488.47 × 563.33
  4. Step 4: Simplify right side
    1,659.08x = 1,401,817.36
  5. Step 5: Solve for x
    x = 1,401,817.36/1,659.08
  6. Step 6: Final answer
    x = 844.94

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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.