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Finding the Fourth Proportional to 358,049.92, 536,754.12 and 147,553.60

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Solution

The fourth proportional to 358,049.92, 536,754.12 and 147,553.60 is: 221,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.92 : 536,754.12 = 147,553.60 : x
  2. Step 2: Convert to fraction form
    358,049.92/536,754.12 = 147,553.60/x
  3. Step 3: Cross multiply
    358,049.92x = 536,754.12 × 147,553.60
  4. Step 4: Simplify right side
    358,049.92x = 79,200,002,720.83
  5. Step 5: Solve for x
    x = 79,200,002,720.83/358,049.92
  6. Step 6: Final answer
    x = 221,198.21

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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.