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Finding the Fourth Proportional to 369,469.64, 509,867.82 and 199,703.76

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Solution

The fourth proportional to 369,469.64, 509,867.82 and 199,703.76 is: 275,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,469.64 : 509,867.82 = 199,703.76 : x
  2. Step 2: Convert to fraction form
    369,469.64/509,867.82 = 199,703.76/x
  3. Step 3: Cross multiply
    369,469.64x = 509,867.82 × 199,703.76
  4. Step 4: Simplify right side
    369,469.64x = 101,822,520,757.00
  5. Step 5: Solve for x
    x = 101,822,520,757.00/369,469.64
  6. Step 6: Final answer
    x = 275,591.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.