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Finding the Fourth Proportional to 361,959.62, 499,498.58 and 198,617.45

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Solution

The fourth proportional to 361,959.62, 499,498.58 and 198,617.45 is: 274,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,959.62 : 499,498.58 = 198,617.45 : x
  2. Step 2: Convert to fraction form
    361,959.62/499,498.58 = 198,617.45/x
  3. Step 3: Cross multiply
    361,959.62x = 499,498.58 × 198,617.45
  4. Step 4: Simplify right side
    361,959.62x = 99,209,131,740.73
  5. Step 5: Solve for x
    x = 99,209,131,740.73/361,959.62
  6. Step 6: Final answer
    x = 274,088.95

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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.