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Finding the Fourth Proportional to 374,630.60, 561,945.90 and 372,297.80

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Solution

The fourth proportional to 374,630.60, 561,945.90 and 372,297.80 is: 558,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,630.60 : 561,945.90 = 372,297.80 : x
  2. Step 2: Convert to fraction form
    374,630.60/561,945.90 = 372,297.80/x
  3. Step 3: Cross multiply
    374,630.60x = 561,945.90 × 372,297.80
  4. Step 4: Simplify right side
    374,630.60x = 209,211,222,289.02
  5. Step 5: Solve for x
    x = 209,211,222,289.02/374,630.60
  6. Step 6: Final answer
    x = 558,446.70

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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.