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Finding the Fourth Proportional to 539,294.72, 809,052.78 and 160,181.69

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Solution

The fourth proportional to 539,294.72, 809,052.78 and 160,181.69 is: 240,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,294.72 : 809,052.78 = 160,181.69 : x
  2. Step 2: Convert to fraction form
    539,294.72/809,052.78 = 160,181.69/x
  3. Step 3: Cross multiply
    539,294.72x = 809,052.78 × 160,181.69
  4. Step 4: Simplify right side
    539,294.72x = 129,595,441,117.70
  5. Step 5: Solve for x
    x = 129,595,441,117.70/539,294.72
  6. Step 6: Final answer
    x = 240,305.41

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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.