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Finding the Fourth Proportional to 349,219, 481,922.22 and 190,243

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Solution

The fourth proportional to 349,219, 481,922.22 and 190,243 is: 262,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,219 : 481,922.22 = 190,243 : x
  2. Step 2: Convert to fraction form
    349,219/481,922.22 = 190,243/x
  3. Step 3: Cross multiply
    349,219x = 481,922.22 × 190,243
  4. Step 4: Simplify right side
    349,219x = 91,682,328,899.46
  5. Step 5: Solve for x
    x = 91,682,328,899.46/349,219
  6. Step 6: Final answer
    x = 262,535.34

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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.