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Finding the Fourth Proportional to 1,496.68, 2,245.32 and 572.27

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Solution

The fourth proportional to 1,496.68, 2,245.32 and 572.27 is: 858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.68 : 2,245.32 = 572.27 : x
  2. Step 2: Convert to fraction form
    1,496.68/2,245.32 = 572.27/x
  3. Step 3: Cross multiply
    1,496.68x = 2,245.32 × 572.27
  4. Step 4: Simplify right side
    1,496.68x = 1,284,918.05
  5. Step 5: Solve for x
    x = 1,284,918.05/1,496.68
  6. Step 6: Final answer
    x = 858.51

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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.