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Finding the Fourth Proportional to 576,119.85, 795,419.89 and 515,586.42

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Solution

The fourth proportional to 576,119.85, 795,419.89 and 515,586.42 is: 711,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,119.85 : 795,419.89 = 515,586.42 : x
  2. Step 2: Convert to fraction form
    576,119.85/795,419.89 = 515,586.42/x
  3. Step 3: Cross multiply
    576,119.85x = 795,419.89 × 515,586.42
  4. Step 4: Simplify right side
    576,119.85x = 410,107,693,481.89
  5. Step 5: Solve for x
    x = 410,107,693,481.89/576,119.85
  6. Step 6: Final answer
    x = 711,844.41

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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.