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Finding the Fourth Proportional to 404,563.80, 606,918.60 and 167,930.40

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Solution

The fourth proportional to 404,563.80, 606,918.60 and 167,930.40 is: 251,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,563.80 : 606,918.60 = 167,930.40 : x
  2. Step 2: Convert to fraction form
    404,563.80/606,918.60 = 167,930.40/x
  3. Step 3: Cross multiply
    404,563.80x = 606,918.60 × 167,930.40
  4. Step 4: Simplify right side
    404,563.80x = 101,920,083,265.44
  5. Step 5: Solve for x
    x = 101,920,083,265.44/404,563.80
  6. Step 6: Final answer
    x = 251,925.86

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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.