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Finding the Fourth Proportional to 545,034.80, 817,843.80 and 229,523.60

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Solution

The fourth proportional to 545,034.80, 817,843.80 and 229,523.60 is: 344,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,034.80 : 817,843.80 = 229,523.60 : x
  2. Step 2: Convert to fraction form
    545,034.80/817,843.80 = 229,523.60/x
  3. Step 3: Cross multiply
    545,034.80x = 817,843.80 × 229,523.60
  4. Step 4: Simplify right side
    545,034.80x = 187,714,453,213.68
  5. Step 5: Solve for x
    x = 187,714,453,213.68/545,034.80
  6. Step 6: Final answer
    x = 344,408.20

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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.