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Finding the Fourth Proportional to 664,371.30, 996,074.16 and 264,892.26

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Solution

The fourth proportional to 664,371.30, 996,074.16 and 264,892.26 is: 397,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,371.30 : 996,074.16 = 264,892.26 : x
  2. Step 2: Convert to fraction form
    664,371.30/996,074.16 = 264,892.26/x
  3. Step 3: Cross multiply
    664,371.30x = 996,074.16 × 264,892.26
  4. Step 4: Simplify right side
    664,371.30x = 263,852,335,370.00
  5. Step 5: Solve for x
    x = 263,852,335,370.00/664,371.30
  6. Step 6: Final answer
    x = 397,145.90

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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.