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Finding the Fourth Proportional to 404,358.25, 605,938.33 and 164,180.09

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Solution

The fourth proportional to 404,358.25, 605,938.33 and 164,180.09 is: 246,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,358.25 : 605,938.33 = 164,180.09 : x
  2. Step 2: Convert to fraction form
    404,358.25/605,938.33 = 164,180.09/x
  3. Step 3: Cross multiply
    404,358.25x = 605,938.33 × 164,180.09
  4. Step 4: Simplify right side
    404,358.25x = 99,483,005,703.26
  5. Step 5: Solve for x
    x = 99,483,005,703.26/404,358.25
  6. Step 6: Final answer
    x = 246,026.90

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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.