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Finding the Fourth Proportional to 373,314.56, 515,218.48 and 235,693.44

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Solution

The fourth proportional to 373,314.56, 515,218.48 and 235,693.44 is: 325,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,314.56 : 515,218.48 = 235,693.44 : x
  2. Step 2: Convert to fraction form
    373,314.56/515,218.48 = 235,693.44/x
  3. Step 3: Cross multiply
    373,314.56x = 515,218.48 × 235,693.44
  4. Step 4: Simplify right side
    373,314.56x = 121,433,615,902.77
  5. Step 5: Solve for x
    x = 121,433,615,902.77/373,314.56
  6. Step 6: Final answer
    x = 325,284.97

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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.