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Finding the Fourth Proportional to 336,852.36, 505,278.54 and 100,198.44

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Solution

The fourth proportional to 336,852.36, 505,278.54 and 100,198.44 is: 150,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,852.36 : 505,278.54 = 100,198.44 : x
  2. Step 2: Convert to fraction form
    336,852.36/505,278.54 = 100,198.44/x
  3. Step 3: Cross multiply
    336,852.36x = 505,278.54 × 100,198.44
  4. Step 4: Simplify right side
    336,852.36x = 50,628,121,473.48
  5. Step 5: Solve for x
    x = 50,628,121,473.48/336,852.36
  6. Step 6: Final answer
    x = 150,297.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.