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Finding the Fourth Proportional to 664,353.27, 996,047.15 and 264,874.23

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Solution

The fourth proportional to 664,353.27, 996,047.15 and 264,874.23 is: 397,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,353.27 : 996,047.15 = 264,874.23 : x
  2. Step 2: Convert to fraction form
    664,353.27/996,047.15 = 264,874.23/x
  3. Step 3: Cross multiply
    664,353.27x = 996,047.15 × 264,874.23
  4. Step 4: Simplify right side
    664,353.27x = 263,827,220,575.57
  5. Step 5: Solve for x
    x = 263,827,220,575.57/664,353.27
  6. Step 6: Final answer
    x = 397,118.87

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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.