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Finding the Fourth Proportional to 404,269.26, 606,401.42 and 104,749.08

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Solution

The fourth proportional to 404,269.26, 606,401.42 and 104,749.08 is: 157,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,269.26 : 606,401.42 = 104,749.08 : x
  2. Step 2: Convert to fraction form
    404,269.26/606,401.42 = 104,749.08/x
  3. Step 3: Cross multiply
    404,269.26x = 606,401.42 × 104,749.08
  4. Step 4: Simplify right side
    404,269.26x = 63,519,990,855.69
  5. Step 5: Solve for x
    x = 63,519,990,855.69/404,269.26
  6. Step 6: Final answer
    x = 157,122.98

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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.