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Finding the Fourth Proportional to 404,360.10, 606,321.45 and 167,726.70

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Solution

The fourth proportional to 404,360.10, 606,321.45 and 167,726.70 is: 251,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,360.10 : 606,321.45 = 167,726.70 : x
  2. Step 2: Convert to fraction form
    404,360.10/606,321.45 = 167,726.70/x
  3. Step 3: Cross multiply
    404,360.10x = 606,321.45 × 167,726.70
  4. Step 4: Simplify right side
    404,360.10x = 101,696,295,947.72
  5. Step 5: Solve for x
    x = 101,696,295,947.72/404,360.10
  6. Step 6: Final answer
    x = 251,499.33

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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.