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Finding the Fourth Proportional to 404,487.29, 606,962.75 and 164,556.91

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Solution

The fourth proportional to 404,487.29, 606,962.75 and 164,556.91 is: 246,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,487.29 : 606,962.75 = 164,556.91 : x
  2. Step 2: Convert to fraction form
    404,487.29/606,962.75 = 164,556.91/x
  3. Step 3: Cross multiply
    404,487.29x = 606,962.75 × 164,556.91
  4. Step 4: Simplify right side
    404,487.29x = 99,879,914,473.80
  5. Step 5: Solve for x
    x = 99,879,914,473.80/404,487.29
  6. Step 6: Final answer
    x = 246,929.68

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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.