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Finding the Fourth Proportional to 576,084.44, 794,996.04 and 321,435.63

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Solution

The fourth proportional to 576,084.44, 794,996.04 and 321,435.63 is: 443,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,084.44 : 794,996.04 = 321,435.63 : x
  2. Step 2: Convert to fraction form
    576,084.44/794,996.04 = 321,435.63/x
  3. Step 3: Cross multiply
    576,084.44x = 794,996.04 × 321,435.63
  4. Step 4: Simplify right side
    576,084.44x = 255,540,052,964.91
  5. Step 5: Solve for x
    x = 255,540,052,964.91/576,084.44
  6. Step 6: Final answer
    x = 443,580.90

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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.