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Finding the Fourth Proportional to 374,880.60, 561,446.10 and 367,363.80

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Solution

The fourth proportional to 374,880.60, 561,446.10 and 367,363.80 is: 550,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,880.60 : 561,446.10 = 367,363.80 : x
  2. Step 2: Convert to fraction form
    374,880.60/561,446.10 = 367,363.80/x
  3. Step 3: Cross multiply
    374,880.60x = 561,446.10 × 367,363.80
  4. Step 4: Simplify right side
    374,880.60x = 206,254,972,791.18
  5. Step 5: Solve for x
    x = 206,254,972,791.18/374,880.60
  6. Step 6: Final answer
    x = 550,188.44

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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.