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Finding the Fourth Proportional to 358,906.97, 538,453.91 and 134,284.97

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Solution

The fourth proportional to 358,906.97, 538,453.91 and 134,284.97 is: 201,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,906.97 : 538,453.91 = 134,284.97 : x
  2. Step 2: Convert to fraction form
    358,906.97/538,453.91 = 134,284.97/x
  3. Step 3: Cross multiply
    358,906.97x = 538,453.91 × 134,284.97
  4. Step 4: Simplify right side
    358,906.97x = 72,306,268,832.58
  5. Step 5: Solve for x
    x = 72,306,268,832.58/358,906.97
  6. Step 6: Final answer
    x = 201,462.42

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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.