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Finding the Fourth Proportional to 374,620.40, 561,930.60 and 225,029.60

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Solution

The fourth proportional to 374,620.40, 561,930.60 and 225,029.60 is: 337,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,620.40 : 561,930.60 = 225,029.60 : x
  2. Step 2: Convert to fraction form
    374,620.40/561,930.60 = 225,029.60/x
  3. Step 3: Cross multiply
    374,620.40x = 561,930.60 × 225,029.60
  4. Step 4: Simplify right side
    374,620.40x = 126,451,018,145.76
  5. Step 5: Solve for x
    x = 126,451,018,145.76/374,620.40
  6. Step 6: Final answer
    x = 337,544.40

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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.