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Finding the Fourth Proportional to 334,997.70, 462,336.78 and 191,803.74

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Solution

The fourth proportional to 334,997.70, 462,336.78 and 191,803.74 is: 264,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,997.70 : 462,336.78 = 191,803.74 : x
  2. Step 2: Convert to fraction form
    334,997.70/462,336.78 = 191,803.74/x
  3. Step 3: Cross multiply
    334,997.70x = 462,336.78 × 191,803.74
  4. Step 4: Simplify right side
    334,997.70x = 88,677,923,543.56
  5. Step 5: Solve for x
    x = 88,677,923,543.56/334,997.70
  6. Step 6: Final answer
    x = 264,712.04

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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.