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Finding the Fourth Proportional to 404,919.86, 606,852.96 and 164,753.88

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Solution

The fourth proportional to 404,919.86, 606,852.96 and 164,753.88 is: 246,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,919.86 : 606,852.96 = 164,753.88 : x
  2. Step 2: Convert to fraction form
    404,919.86/606,852.96 = 164,753.88/x
  3. Step 3: Cross multiply
    404,919.86x = 606,852.96 × 164,753.88
  4. Step 4: Simplify right side
    404,919.86x = 99,981,379,749.48
  5. Step 5: Solve for x
    x = 99,981,379,749.48/404,919.86
  6. Step 6: Final answer
    x = 246,916.46

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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.