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Finding the Fourth Proportional to 536,186.92, 739,937.80 and 294,469.55

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Solution

The fourth proportional to 536,186.92, 739,937.80 and 294,469.55 is: 406,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,186.92 : 739,937.80 = 294,469.55 : x
  2. Step 2: Convert to fraction form
    536,186.92/739,937.80 = 294,469.55/x
  3. Step 3: Cross multiply
    536,186.92x = 739,937.80 × 294,469.55
  4. Step 4: Simplify right side
    536,186.92x = 217,889,150,993.99
  5. Step 5: Solve for x
    x = 217,889,150,993.99/536,186.92
  6. Step 6: Final answer
    x = 406,367.90

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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.