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Finding the Fourth Proportional to 522,919.52, 721,242.15 and 339,203.33

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Solution

The fourth proportional to 522,919.52, 721,242.15 and 339,203.33 is: 467,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,919.52 : 721,242.15 = 339,203.33 : x
  2. Step 2: Convert to fraction form
    522,919.52/721,242.15 = 339,203.33/x
  3. Step 3: Cross multiply
    522,919.52x = 721,242.15 × 339,203.33
  4. Step 4: Simplify right side
    522,919.52x = 244,647,739,016.36
  5. Step 5: Solve for x
    x = 244,647,739,016.36/522,919.52
  6. Step 6: Final answer
    x = 467,849.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.