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Finding the Fourth Proportional to 467,811.60, 701,256.60 and 231,190.80

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Solution

The fourth proportional to 467,811.60, 701,256.60 and 231,190.80 is: 346,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,811.60 : 701,256.60 = 231,190.80 : x
  2. Step 2: Convert to fraction form
    467,811.60/701,256.60 = 231,190.80/x
  3. Step 3: Cross multiply
    467,811.60x = 701,256.60 × 231,190.80
  4. Step 4: Simplify right side
    467,811.60x = 162,124,074,359.28
  5. Step 5: Solve for x
    x = 162,124,074,359.28/467,811.60
  6. Step 6: Final answer
    x = 346,558.47

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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.