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Finding the Fourth Proportional to 365,635.36, 548,003.83 and 205,374.40

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Solution

The fourth proportional to 365,635.36, 548,003.83 and 205,374.40 is: 307,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,635.36 : 548,003.83 = 205,374.40 : x
  2. Step 2: Convert to fraction form
    365,635.36/548,003.83 = 205,374.40/x
  3. Step 3: Cross multiply
    365,635.36x = 548,003.83 × 205,374.40
  4. Step 4: Simplify right side
    365,635.36x = 112,545,957,783.95
  5. Step 5: Solve for x
    x = 112,545,957,783.95/365,635.36
  6. Step 6: Final answer
    x = 307,809.28

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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.