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Finding the Fourth Proportional to 374,906.70, 562,360.05 and 125,588.70

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Solution

The fourth proportional to 374,906.70, 562,360.05 and 125,588.70 is: 188,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,906.70 : 562,360.05 = 125,588.70 : x
  2. Step 2: Convert to fraction form
    374,906.70/562,360.05 = 125,588.70/x
  3. Step 3: Cross multiply
    374,906.70x = 562,360.05 × 125,588.70
  4. Step 4: Simplify right side
    374,906.70x = 70,626,067,611.44
  5. Step 5: Solve for x
    x = 70,626,067,611.44/374,906.70
  6. Step 6: Final answer
    x = 188,383.05

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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.