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Finding the Fourth Proportional to 404,486.26, 606,729.40 and 108,998.26

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Solution

The fourth proportional to 404,486.26, 606,729.40 and 108,998.26 is: 163,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,486.26 : 606,729.40 = 108,998.26 : x
  2. Step 2: Convert to fraction form
    404,486.26/606,729.40 = 108,998.26/x
  3. Step 3: Cross multiply
    404,486.26x = 606,729.40 × 108,998.26
  4. Step 4: Simplify right side
    404,486.26x = 66,132,448,890.84
  5. Step 5: Solve for x
    x = 66,132,448,890.84/404,486.26
  6. Step 6: Final answer
    x = 163,497.39

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Similar ratio
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1.5x scale

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.