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Finding the Fourth Proportional to 487,615.86, 731,241.87 and 167,677.23

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Solution

The fourth proportional to 487,615.86, 731,241.87 and 167,677.23 is: 251,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,615.86 : 731,241.87 = 167,677.23 : x
  2. Step 2: Convert to fraction form
    487,615.86/731,241.87 = 167,677.23/x
  3. Step 3: Cross multiply
    487,615.86x = 731,241.87 × 167,677.23
  4. Step 4: Simplify right side
    487,615.86x = 122,612,611,221.62
  5. Step 5: Solve for x
    x = 122,612,611,221.62/487,615.86
  6. Step 6: Final answer
    x = 251,453.29

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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.