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Finding the Fourth Proportional to 358,855.52, 538,265.38 and 134,199.44

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Solution

The fourth proportional to 358,855.52, 538,265.38 and 134,199.44 is: 201,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,855.52 : 538,265.38 = 134,199.44 : x
  2. Step 2: Convert to fraction form
    358,855.52/538,265.38 = 134,199.44/x
  3. Step 3: Cross multiply
    358,855.52x = 538,265.38 × 134,199.44
  4. Step 4: Simplify right side
    358,855.52x = 72,234,912,567.39
  5. Step 5: Solve for x
    x = 72,234,912,567.39/358,855.52
  6. Step 6: Final answer
    x = 201,292.47

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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.