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Finding the Fourth Proportional to 579,449.30, 869,007.69 and 174,680.96

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Solution

The fourth proportional to 579,449.30, 869,007.69 and 174,680.96 is: 261,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,449.30 : 869,007.69 = 174,680.96 : x
  2. Step 2: Convert to fraction form
    579,449.30/869,007.69 = 174,680.96/x
  3. Step 3: Cross multiply
    579,449.30x = 869,007.69 × 174,680.96
  4. Step 4: Simplify right side
    579,449.30x = 151,799,093,191.54
  5. Step 5: Solve for x
    x = 151,799,093,191.54/579,449.30
  6. Step 6: Final answer
    x = 261,971.31

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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.