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Finding the Fourth Proportional to 349,028.78, 481,607.24 and 196,037.64

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Solution

The fourth proportional to 349,028.78, 481,607.24 and 196,037.64 is: 270,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,028.78 : 481,607.24 = 196,037.64 : x
  2. Step 2: Convert to fraction form
    349,028.78/481,607.24 = 196,037.64/x
  3. Step 3: Cross multiply
    349,028.78x = 481,607.24 × 196,037.64
  4. Step 4: Simplify right side
    349,028.78x = 94,413,145,756.33
  5. Step 5: Solve for x
    x = 94,413,145,756.33/349,028.78
  6. Step 6: Final answer
    x = 270,502.47

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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.