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Finding the Fourth Proportional to 404,211.71, 606,320.62 and 179,511.81

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Solution

The fourth proportional to 404,211.71, 606,320.62 and 179,511.81 is: 269,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,211.71 : 606,320.62 = 179,511.81 : x
  2. Step 2: Convert to fraction form
    404,211.71/606,320.62 = 179,511.81/x
  3. Step 3: Cross multiply
    404,211.71x = 606,320.62 × 179,511.81
  4. Step 4: Simplify right side
    404,211.71x = 108,841,711,487.74
  5. Step 5: Solve for x
    x = 108,841,711,487.74/404,211.71
  6. Step 6: Final answer
    x = 269,269.07

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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.