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Finding the Fourth Proportional to 361,036.92, 498,249.36 and 199,909.80

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Solution

The fourth proportional to 361,036.92, 498,249.36 and 199,909.80 is: 275,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,036.92 : 498,249.36 = 199,909.80 : x
  2. Step 2: Convert to fraction form
    361,036.92/498,249.36 = 199,909.80/x
  3. Step 3: Cross multiply
    361,036.92x = 498,249.36 × 199,909.80
  4. Step 4: Simplify right side
    361,036.92x = 99,604,929,907.73
  5. Step 5: Solve for x
    x = 99,604,929,907.73/361,036.92
  6. Step 6: Final answer
    x = 275,885.72

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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.