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Finding the Fourth Proportional to 576,472.44, 864,241.31 and 239,765.16

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Solution

The fourth proportional to 576,472.44, 864,241.31 and 239,765.16 is: 359,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,472.44 : 864,241.31 = 239,765.16 : x
  2. Step 2: Convert to fraction form
    576,472.44/864,241.31 = 239,765.16/x
  3. Step 3: Cross multiply
    576,472.44x = 864,241.31 × 239,765.16
  4. Step 4: Simplify right side
    576,472.44x = 207,214,959,811.08
  5. Step 5: Solve for x
    x = 207,214,959,811.08/576,472.44
  6. Step 6: Final answer
    x = 359,453.37

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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.