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Finding the Fourth Proportional to 404,084.31, 606,129.51 and 179,384.34

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Solution

The fourth proportional to 404,084.31, 606,129.51 and 179,384.34 is: 269,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,084.31 : 606,129.51 = 179,384.34 : x
  2. Step 2: Convert to fraction form
    404,084.31/606,129.51 = 179,384.34/x
  3. Step 3: Cross multiply
    404,084.31x = 606,129.51 × 179,384.34
  4. Step 4: Simplify right side
    404,084.31x = 108,730,142,105.87
  5. Step 5: Solve for x
    x = 108,730,142,105.87/404,084.31
  6. Step 6: Final answer
    x = 269,077.86

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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.