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Finding the Fourth Proportional to 227,048.40, 339,989.40 and 180,003.60

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Solution

The fourth proportional to 227,048.40, 339,989.40 and 180,003.60 is: 269,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,048.40 : 339,989.40 = 180,003.60 : x
  2. Step 2: Convert to fraction form
    227,048.40/339,989.40 = 180,003.60/x
  3. Step 3: Cross multiply
    227,048.40x = 339,989.40 × 180,003.60
  4. Step 4: Simplify right side
    227,048.40x = 61,199,315,961.84
  5. Step 5: Solve for x
    x = 61,199,315,961.84/227,048.40
  6. Step 6: Final answer
    x = 269,543.04

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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.