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Finding the Fourth Proportional to 404,538.05, 607,077.97 and 167,880.96

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Solution

The fourth proportional to 404,538.05, 607,077.97 and 167,880.96 is: 251,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,538.05 : 607,077.97 = 167,880.96 : x
  2. Step 2: Convert to fraction form
    404,538.05/607,077.97 = 167,880.96/x
  3. Step 3: Cross multiply
    404,538.05x = 607,077.97 × 167,880.96
  4. Step 4: Simplify right side
    404,538.05x = 101,916,831,978.75
  5. Step 5: Solve for x
    x = 101,916,831,978.75/404,538.05
  6. Step 6: Final answer
    x = 251,933.86

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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.