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Finding the Fourth Proportional to 664,515.04, 996,150.48 and 368,404.96

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Solution

The fourth proportional to 664,515.04, 996,150.48 and 368,404.96 is: 552,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,515.04 : 996,150.48 = 368,404.96 : x
  2. Step 2: Convert to fraction form
    664,515.04/996,150.48 = 368,404.96/x
  3. Step 3: Cross multiply
    664,515.04x = 996,150.48 × 368,404.96
  4. Step 4: Simplify right side
    664,515.04x = 366,986,777,738.38
  5. Step 5: Solve for x
    x = 366,986,777,738.38/664,515.04
  6. Step 6: Final answer
    x = 552,262.56

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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.