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Finding the Fourth Proportional to 338,408.48, 507,349.25 and 167,512.29

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Solution

The fourth proportional to 338,408.48, 507,349.25 and 167,512.29 is: 251,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,408.48 : 507,349.25 = 167,512.29 : x
  2. Step 2: Convert to fraction form
    338,408.48/507,349.25 = 167,512.29/x
  3. Step 3: Cross multiply
    338,408.48x = 507,349.25 × 167,512.29
  4. Step 4: Simplify right side
    338,408.48x = 84,987,232,585.33
  5. Step 5: Solve for x
    x = 84,987,232,585.33/338,408.48
  6. Step 6: Final answer
    x = 251,138.01

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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.