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Finding the Fourth Proportional to 374,218.80, 561,328.20 and 224,919.60

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Solution

The fourth proportional to 374,218.80, 561,328.20 and 224,919.60 is: 337,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,218.80 : 561,328.20 = 224,919.60 : x
  2. Step 2: Convert to fraction form
    374,218.80/561,328.20 = 224,919.60/x
  3. Step 3: Cross multiply
    374,218.80x = 561,328.20 × 224,919.60
  4. Step 4: Simplify right side
    374,218.80x = 126,253,714,212.72
  5. Step 5: Solve for x
    x = 126,253,714,212.72/374,218.80
  6. Step 6: Final answer
    x = 337,379.40

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