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Finding the Fourth Proportional to 337,406.85, 505,860.84 and 159,705.81

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Solution

The fourth proportional to 337,406.85, 505,860.84 and 159,705.81 is: 239,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,406.85 : 505,860.84 = 159,705.81 : x
  2. Step 2: Convert to fraction form
    337,406.85/505,860.84 = 159,705.81/x
  3. Step 3: Cross multiply
    337,406.85x = 505,860.84 × 159,705.81
  4. Step 4: Simplify right side
    337,406.85x = 80,788,915,199.48
  5. Step 5: Solve for x
    x = 80,788,915,199.48/337,406.85
  6. Step 6: Final answer
    x = 239,440.65

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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.