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Finding the Fourth Proportional to 664,740.46, 997,241.91 and 244,019.98

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Solution

The fourth proportional to 664,740.46, 997,241.91 and 244,019.98 is: 366,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,740.46 : 997,241.91 = 244,019.98 : x
  2. Step 2: Convert to fraction form
    664,740.46/997,241.91 = 244,019.98/x
  3. Step 3: Cross multiply
    664,740.46x = 997,241.91 × 244,019.98
  4. Step 4: Simplify right side
    664,740.46x = 243,346,950,933.36
  5. Step 5: Solve for x
    x = 243,346,950,933.36/664,740.46
  6. Step 6: Final answer
    x = 366,078.14

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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.