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Finding the Fourth Proportional to 605,685.92, 835,846.60 and 351,184.74

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Solution

The fourth proportional to 605,685.92, 835,846.60 and 351,184.74 is: 484,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,685.92 : 835,846.60 = 351,184.74 : x
  2. Step 2: Convert to fraction form
    605,685.92/835,846.60 = 351,184.74/x
  3. Step 3: Cross multiply
    605,685.92x = 835,846.60 × 351,184.74
  4. Step 4: Simplify right side
    605,685.92x = 293,536,570,900.88
  5. Step 5: Solve for x
    x = 293,536,570,900.88/605,685.92
  6. Step 6: Final answer
    x = 484,634.96

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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.