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Finding the Fourth Proportional to 373,040.78, 515,031.44 and 264,375.59

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Solution

The fourth proportional to 373,040.78, 515,031.44 and 264,375.59 is: 365,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,040.78 : 515,031.44 = 264,375.59 : x
  2. Step 2: Convert to fraction form
    373,040.78/515,031.44 = 264,375.59/x
  3. Step 3: Cross multiply
    373,040.78x = 515,031.44 × 264,375.59
  4. Step 4: Simplify right side
    373,040.78x = 136,161,736,921.51
  5. Step 5: Solve for x
    x = 136,161,736,921.51/373,040.78
  6. Step 6: Final answer
    x = 365,004.97

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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.