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Finding the Fourth Proportional to 358,906.80, 538,374.60 and 134,244.24

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Solution

The fourth proportional to 358,906.80, 538,374.60 and 134,244.24 is: 201,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,906.80 : 538,374.60 = 134,244.24 : x
  2. Step 2: Convert to fraction form
    358,906.80/538,374.60 = 134,244.24/x
  3. Step 3: Cross multiply
    358,906.80x = 538,374.60 × 134,244.24
  4. Step 4: Simplify right side
    358,906.80x = 72,273,689,012.30
  5. Step 5: Solve for x
    x = 72,273,689,012.30/358,906.80
  6. Step 6: Final answer
    x = 201,371.75

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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.