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Finding the Fourth Proportional to 404,336.80, 606,578.10 and 167,703.40

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Solution

The fourth proportional to 404,336.80, 606,578.10 and 167,703.40 is: 251,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,336.80 : 606,578.10 = 167,703.40 : x
  2. Step 2: Convert to fraction form
    404,336.80/606,578.10 = 167,703.40/x
  3. Step 3: Cross multiply
    404,336.80x = 606,578.10 × 167,703.40
  4. Step 4: Simplify right side
    404,336.80x = 101,725,209,735.54
  5. Step 5: Solve for x
    x = 101,725,209,735.54/404,336.80
  6. Step 6: Final answer
    x = 251,585.34

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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.