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Finding the Fourth Proportional to 336,630.70, 464,591.52 and 193,390.48

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Solution

The fourth proportional to 336,630.70, 464,591.52 and 193,390.48 is: 266,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,630.70 : 464,591.52 = 193,390.48 : x
  2. Step 2: Convert to fraction form
    336,630.70/464,591.52 = 193,390.48/x
  3. Step 3: Cross multiply
    336,630.70x = 464,591.52 × 193,390.48
  4. Step 4: Simplify right side
    336,630.70x = 89,847,577,056.73
  5. Step 5: Solve for x
    x = 89,847,577,056.73/336,630.70
  6. Step 6: Final answer
    x = 266,902.50

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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.