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Finding the Fourth Proportional to 492,295.20, 737,997.30 and 342,607.20

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Solution

The fourth proportional to 492,295.20, 737,997.30 and 342,607.20 is: 513,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,295.20 : 737,997.30 = 342,607.20 : x
  2. Step 2: Convert to fraction form
    492,295.20/737,997.30 = 342,607.20/x
  3. Step 3: Cross multiply
    492,295.20x = 737,997.30 × 342,607.20
  4. Step 4: Simplify right side
    492,295.20x = 252,843,188,560.56
  5. Step 5: Solve for x
    x = 252,843,188,560.56/492,295.20
  6. Step 6: Final answer
    x = 513,600.76

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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.