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Finding the Fourth Proportional to 360,579.69, 497,540.52 and 199,403.25

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Solution

The fourth proportional to 360,579.69, 497,540.52 and 199,403.25 is: 275,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,579.69 : 497,540.52 = 199,403.25 : x
  2. Step 2: Convert to fraction form
    360,579.69/497,540.52 = 199,403.25/x
  3. Step 3: Cross multiply
    360,579.69x = 497,540.52 × 199,403.25
  4. Step 4: Simplify right side
    360,579.69x = 99,211,196,694.69
  5. Step 5: Solve for x
    x = 99,211,196,694.69/360,579.69
  6. Step 6: Final answer
    x = 275,143.61

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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.