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Finding the Fourth Proportional to 535,540.01, 739,020.71 and 293,817.58

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Solution

The fourth proportional to 535,540.01, 739,020.71 and 293,817.58 is: 405,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,540.01 : 739,020.71 = 293,817.58 : x
  2. Step 2: Convert to fraction form
    535,540.01/739,020.71 = 293,817.58/x
  3. Step 3: Cross multiply
    535,540.01x = 739,020.71 × 293,817.58
  4. Step 4: Simplify right side
    535,540.01x = 217,137,275,469.07
  5. Step 5: Solve for x
    x = 217,137,275,469.07/535,540.01
  6. Step 6: Final answer
    x = 405,454.82

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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.