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Finding the Fourth Proportional to 479,451.96, 719,295.03 and 159,603.21

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Solution

The fourth proportional to 479,451.96, 719,295.03 and 159,603.21 is: 239,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,451.96 : 719,295.03 = 159,603.21 : x
  2. Step 2: Convert to fraction form
    479,451.96/719,295.03 = 159,603.21/x
  3. Step 3: Cross multiply
    479,451.96x = 719,295.03 × 159,603.21
  4. Step 4: Simplify right side
    479,451.96x = 114,801,795,725.05
  5. Step 5: Solve for x
    x = 114,801,795,725.05/479,451.96
  6. Step 6: Final answer
    x = 239,443.79

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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.