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Finding the Fourth Proportional to 404,342.10, 606,294.45 and 167,708.70

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Solution

The fourth proportional to 404,342.10, 606,294.45 and 167,708.70 is: 251,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,342.10 : 606,294.45 = 167,708.70 : x
  2. Step 2: Convert to fraction form
    404,342.10/606,294.45 = 167,708.70/x
  3. Step 3: Cross multiply
    404,342.10x = 606,294.45 × 167,708.70
  4. Step 4: Simplify right side
    404,342.10x = 101,680,854,026.72
  5. Step 5: Solve for x
    x = 101,680,854,026.72/404,342.10
  6. Step 6: Final answer
    x = 251,472.34

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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.