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Finding the Fourth Proportional to 347,906.31, 480,112.55 and 194,944.83

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Solution

The fourth proportional to 347,906.31, 480,112.55 and 194,944.83 is: 269,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,906.31 : 480,112.55 = 194,944.83 : x
  2. Step 2: Convert to fraction form
    347,906.31/480,112.55 = 194,944.83/x
  3. Step 3: Cross multiply
    347,906.31x = 480,112.55 × 194,944.83
  4. Step 4: Simplify right side
    347,906.31x = 93,595,459,440.62
  5. Step 5: Solve for x
    x = 93,595,459,440.62/347,906.31
  6. Step 6: Final answer
    x = 269,024.90

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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.