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Finding the Fourth Proportional to 404,328.90, 606,639.15 and 167,744.10

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Solution

The fourth proportional to 404,328.90, 606,639.15 and 167,744.10 is: 251,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,328.90 : 606,639.15 = 167,744.10 : x
  2. Step 2: Convert to fraction form
    404,328.90/606,639.15 = 167,744.10/x
  3. Step 3: Cross multiply
    404,328.90x = 606,639.15 × 167,744.10
  4. Step 4: Simplify right side
    404,328.90x = 101,760,138,241.52
  5. Step 5: Solve for x
    x = 101,760,138,241.52/404,328.90
  6. Step 6: Final answer
    x = 251,676.64

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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.