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Finding the Fourth Proportional to 241,921.20, 339,039.60 and 241,921.20

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Solution

The fourth proportional to 241,921.20, 339,039.60 and 241,921.20 is: 339,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,921.20 : 339,039.60 = 241,921.20 : x
  2. Step 2: Convert to fraction form
    241,921.20/339,039.60 = 241,921.20/x
  3. Step 3: Cross multiply
    241,921.20x = 339,039.60 × 241,921.20
  4. Step 4: Simplify right side
    241,921.20x = 82,020,866,879.52
  5. Step 5: Solve for x
    x = 82,020,866,879.52/241,921.20
  6. Step 6: Final answer
    x = 339,039.60

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1.5x scale

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.