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Finding the Fourth Proportional to 361,969.11, 499,507.85 and 198,625.12

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Solution

The fourth proportional to 361,969.11, 499,507.85 and 198,625.12 is: 274,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,969.11 : 499,507.85 = 198,625.12 : x
  2. Step 2: Convert to fraction form
    361,969.11/499,507.85 = 198,625.12/x
  3. Step 3: Cross multiply
    361,969.11x = 499,507.85 × 198,625.12
  4. Step 4: Simplify right side
    361,969.11x = 99,214,805,894.99
  5. Step 5: Solve for x
    x = 99,214,805,894.99/361,969.11
  6. Step 6: Final answer
    x = 274,097.44

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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.