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Finding the Fourth Proportional to 576,116.54, 795,040.20 and 321,467.75

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Solution

The fourth proportional to 576,116.54, 795,040.20 and 321,467.75 is: 443,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,116.54 : 795,040.20 = 321,467.75 : x
  2. Step 2: Convert to fraction form
    576,116.54/795,040.20 = 321,467.75/x
  3. Step 3: Cross multiply
    576,116.54x = 795,040.20 × 321,467.75
  4. Step 4: Simplify right side
    576,116.54x = 255,579,780,278.35
  5. Step 5: Solve for x
    x = 255,579,780,278.35/576,116.54
  6. Step 6: Final answer
    x = 443,625.14

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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.