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Finding the Fourth Proportional to 241,909.20, 339,022.80 and 241,909.20

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Solution

The fourth proportional to 241,909.20, 339,022.80 and 241,909.20 is: 339,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,909.20 : 339,022.80 = 241,909.20 : x
  2. Step 2: Convert to fraction form
    241,909.20/339,022.80 = 241,909.20/x
  3. Step 3: Cross multiply
    241,909.20x = 339,022.80 × 241,909.20
  4. Step 4: Simplify right side
    241,909.20x = 82,012,734,329.76
  5. Step 5: Solve for x
    x = 82,012,734,329.76/241,909.20
  6. Step 6: Final answer
    x = 339,022.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.