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Finding the Fourth Proportional to 373,375.56, 515,297.16 and 230,131.92

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Solution

The fourth proportional to 373,375.56, 515,297.16 and 230,131.92 is: 317,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,375.56 : 515,297.16 = 230,131.92 : x
  2. Step 2: Convert to fraction form
    373,375.56/515,297.16 = 230,131.92/x
  3. Step 3: Cross multiply
    373,375.56x = 515,297.16 × 230,131.92
  4. Step 4: Simplify right side
    373,375.56x = 118,586,326,089.59
  5. Step 5: Solve for x
    x = 118,586,326,089.59/373,375.56
  6. Step 6: Final answer
    x = 317,606.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.