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Finding the Fourth Proportional to 467,940.70, 701,911.05 and 255,364.30

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Solution

The fourth proportional to 467,940.70, 701,911.05 and 255,364.30 is: 383,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,940.70 : 701,911.05 = 255,364.30 : x
  2. Step 2: Convert to fraction form
    467,940.70/701,911.05 = 255,364.30/x
  3. Step 3: Cross multiply
    467,940.70x = 701,911.05 × 255,364.30
  4. Step 4: Simplify right side
    467,940.70x = 179,243,023,945.52
  5. Step 5: Solve for x
    x = 179,243,023,945.52/467,940.70
  6. Step 6: Final answer
    x = 383,046.45

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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.