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Finding the Fourth Proportional to 344,681.44, 475,682.28 and 193,788.16

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Solution

The fourth proportional to 344,681.44, 475,682.28 and 193,788.16 is: 267,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,681.44 : 475,682.28 = 193,788.16 : x
  2. Step 2: Convert to fraction form
    344,681.44/475,682.28 = 193,788.16/x
  3. Step 3: Cross multiply
    344,681.44x = 475,682.28 × 193,788.16
  4. Step 4: Simplify right side
    344,681.44x = 92,181,593,785.80
  5. Step 5: Solve for x
    x = 92,181,593,785.80/344,681.44
  6. Step 6: Final answer
    x = 267,439.97

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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.