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Finding the Fourth Proportional to 336,396.68, 464,210.39 and 191,198.66

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Solution

The fourth proportional to 336,396.68, 464,210.39 and 191,198.66 is: 263,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,396.68 : 464,210.39 = 191,198.66 : x
  2. Step 2: Convert to fraction form
    336,396.68/464,210.39 = 191,198.66/x
  3. Step 3: Cross multiply
    336,396.68x = 464,210.39 × 191,198.66
  4. Step 4: Simplify right side
    336,396.68x = 88,756,401,249.03
  5. Step 5: Solve for x
    x = 88,756,401,249.03/336,396.68
  6. Step 6: Final answer
    x = 263,844.47

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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.