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Finding the Fourth Proportional to 535,759.11, 739,323.86 and 294,042.15

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Solution

The fourth proportional to 535,759.11, 739,323.86 and 294,042.15 is: 405,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,759.11 : 739,323.86 = 294,042.15 : x
  2. Step 2: Convert to fraction form
    535,759.11/739,323.86 = 294,042.15/x
  3. Step 3: Cross multiply
    535,759.11x = 739,323.86 × 294,042.15
  4. Step 4: Simplify right side
    535,759.11x = 217,392,375,870.49
  5. Step 5: Solve for x
    x = 217,392,375,870.49/535,759.11
  6. Step 6: Final answer
    x = 405,765.15

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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.