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Finding the Fourth Proportional to 487,450.89, 730,967.22 and 167,634.96

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Solution

The fourth proportional to 487,450.89, 730,967.22 and 167,634.96 is: 251,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,450.89 : 730,967.22 = 167,634.96 : x
  2. Step 2: Convert to fraction form
    487,450.89/730,967.22 = 167,634.96/x
  3. Step 3: Cross multiply
    487,450.89x = 730,967.22 × 167,634.96
  4. Step 4: Simplify right side
    487,450.89x = 122,535,660,686.01
  5. Step 5: Solve for x
    x = 122,535,660,686.01/487,450.89
  6. Step 6: Final answer
    x = 251,380.53

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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.