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Finding the Fourth Proportional to 374,910.60, 561,491.10 and 367,393.80

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Solution

The fourth proportional to 374,910.60, 561,491.10 and 367,393.80 is: 550,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,910.60 : 561,491.10 = 367,393.80 : x
  2. Step 2: Convert to fraction form
    374,910.60/561,491.10 = 367,393.80/x
  3. Step 3: Cross multiply
    374,910.60x = 561,491.10 × 367,393.80
  4. Step 4: Simplify right side
    374,910.60x = 206,288,348,895.18
  5. Step 5: Solve for x
    x = 206,288,348,895.18/374,910.60
  6. Step 6: Final answer
    x = 550,233.44

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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.