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Finding the Fourth Proportional to 1,007.26, 1,513.19 and 596.68

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Solution

The fourth proportional to 1,007.26, 1,513.19 and 596.68 is: 896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.26 : 1,513.19 = 596.68 : x
  2. Step 2: Convert to fraction form
    1,007.26/1,513.19 = 596.68/x
  3. Step 3: Cross multiply
    1,007.26x = 1,513.19 × 596.68
  4. Step 4: Simplify right side
    1,007.26x = 902,887.92
  5. Step 5: Solve for x
    x = 902,887.92/1,007.26
  6. Step 6: Final answer
    x = 896.38

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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.