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Finding the Fourth Proportional to 404,196.75, 606,292.70 and 104,676.57

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Solution

The fourth proportional to 404,196.75, 606,292.70 and 104,676.57 is: 157,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,196.75 : 606,292.70 = 104,676.57 : x
  2. Step 2: Convert to fraction form
    404,196.75/606,292.70 = 104,676.57/x
  3. Step 3: Cross multiply
    404,196.75x = 606,292.70 × 104,676.57
  4. Step 4: Simplify right side
    404,196.75x = 63,464,639,728.66
  5. Step 5: Solve for x
    x = 63,464,639,728.66/404,196.75
  6. Step 6: Final answer
    x = 157,014.23

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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.