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Finding the Fourth Proportional to 344,230.40, 515,905.77 and 277,701.86

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Solution

The fourth proportional to 344,230.40, 515,905.77 and 277,701.86 is: 416,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,230.40 : 515,905.77 = 277,701.86 : x
  2. Step 2: Convert to fraction form
    344,230.40/515,905.77 = 277,701.86/x
  3. Step 3: Cross multiply
    344,230.40x = 515,905.77 × 277,701.86
  4. Step 4: Simplify right side
    344,230.40x = 143,267,991,913.73
  5. Step 5: Solve for x
    x = 143,267,991,913.73/344,230.40
  6. Step 6: Final answer
    x = 416,197.96

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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.