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Finding the Fourth Proportional to 467,938.80, 701,908.20 and 187,657.20

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Solution

The fourth proportional to 467,938.80, 701,908.20 and 187,657.20 is: 281,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,938.80 : 701,908.20 = 187,657.20 : x
  2. Step 2: Convert to fraction form
    467,938.80/701,908.20 = 187,657.20/x
  3. Step 3: Cross multiply
    467,938.80x = 701,908.20 × 187,657.20
  4. Step 4: Simplify right side
    467,938.80x = 131,718,127,469.04
  5. Step 5: Solve for x
    x = 131,718,127,469.04/467,938.80
  6. Step 6: Final answer
    x = 281,485.80

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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.