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Finding the Fourth Proportional to 467,908.80, 701,863.20 and 187,627.20

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Solution

The fourth proportional to 467,908.80, 701,863.20 and 187,627.20 is: 281,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,908.80 : 701,863.20 = 187,627.20 : x
  2. Step 2: Convert to fraction form
    467,908.80/701,863.20 = 187,627.20/x
  3. Step 3: Cross multiply
    467,908.80x = 701,863.20 × 187,627.20
  4. Step 4: Simplify right side
    467,908.80x = 131,688,626,999.04
  5. Step 5: Solve for x
    x = 131,688,626,999.04/467,908.80
  6. Step 6: Final answer
    x = 281,440.80

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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.