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Finding the Fourth Proportional to 576,201.88, 795,063.36 and 321,552.40

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Solution

The fourth proportional to 576,201.88, 795,063.36 and 321,552.40 is: 443,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,201.88 : 795,063.36 = 321,552.40 : x
  2. Step 2: Convert to fraction form
    576,201.88/795,063.36 = 321,552.40/x
  3. Step 3: Cross multiply
    576,201.88x = 795,063.36 × 321,552.40
  4. Step 4: Simplify right side
    576,201.88x = 255,654,531,560.06
  5. Step 5: Solve for x
    x = 255,654,531,560.06/576,201.88
  6. Step 6: Final answer
    x = 443,689.17

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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.