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Finding the Fourth Proportional to 374,843.40, 562,265.09 and 108,604.09

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Solution

The fourth proportional to 374,843.40, 562,265.09 and 108,604.09 is: 162,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,843.40 : 562,265.09 = 108,604.09 : x
  2. Step 2: Convert to fraction form
    374,843.40/562,265.09 = 108,604.09/x
  3. Step 3: Cross multiply
    374,843.40x = 562,265.09 × 108,604.09
  4. Step 4: Simplify right side
    374,843.40x = 61,064,288,438.22
  5. Step 5: Solve for x
    x = 61,064,288,438.22/374,843.40
  6. Step 6: Final answer
    x = 162,906.13

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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.