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Finding the Fourth Proportional to 577,351.26, 865,924.83 and 156,659.94

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Solution

The fourth proportional to 577,351.26, 865,924.83 and 156,659.94 is: 234,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,351.26 : 865,924.83 = 156,659.94 : x
  2. Step 2: Convert to fraction form
    577,351.26/865,924.83 = 156,659.94/x
  3. Step 3: Cross multiply
    577,351.26x = 865,924.83 × 156,659.94
  4. Step 4: Simplify right side
    577,351.26x = 135,655,731,912.31
  5. Step 5: Solve for x
    x = 135,655,731,912.31/577,351.26
  6. Step 6: Final answer
    x = 234,962.22

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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.