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Finding the Fourth Proportional to 404,223.80, 606,335.70 and 167,487.80

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Solution

The fourth proportional to 404,223.80, 606,335.70 and 167,487.80 is: 251,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,223.80 : 606,335.70 = 167,487.80 : x
  2. Step 2: Convert to fraction form
    404,223.80/606,335.70 = 167,487.80/x
  3. Step 3: Cross multiply
    404,223.80x = 606,335.70 × 167,487.80
  4. Step 4: Simplify right side
    404,223.80x = 101,553,832,454.46
  5. Step 5: Solve for x
    x = 101,553,832,454.46/404,223.80
  6. Step 6: Final answer
    x = 251,231.70

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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.