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Finding the Fourth Proportional to 361,674.36, 499,104.78 and 198,330.36

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Solution

The fourth proportional to 361,674.36, 499,104.78 and 198,330.36 is: 273,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,674.36 : 499,104.78 = 198,330.36 : x
  2. Step 2: Convert to fraction form
    361,674.36/499,104.78 = 198,330.36/x
  3. Step 3: Cross multiply
    361,674.36x = 499,104.78 × 198,330.36
  4. Step 4: Simplify right side
    361,674.36x = 98,987,630,695.12
  5. Step 5: Solve for x
    x = 98,987,630,695.12/361,674.36
  6. Step 6: Final answer
    x = 273,692.70

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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.