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Finding the Fourth Proportional to 361,064.88, 498,297.56 and 199,934.92

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Solution

The fourth proportional to 361,064.88, 498,297.56 and 199,934.92 is: 275,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,064.88 : 498,297.56 = 199,934.92 : x
  2. Step 2: Convert to fraction form
    361,064.88/498,297.56 = 199,934.92/x
  3. Step 3: Cross multiply
    361,064.88x = 498,297.56 × 199,934.92
  4. Step 4: Simplify right side
    361,064.88x = 99,627,082,794.80
  5. Step 5: Solve for x
    x = 99,627,082,794.80/361,064.88
  6. Step 6: Final answer
    x = 275,925.71

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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.