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Finding the Fourth Proportional to 535,960.55, 739,131.89 and 364,135.70

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Solution

The fourth proportional to 535,960.55, 739,131.89 and 364,135.70 is: 502,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,960.55 : 739,131.89 = 364,135.70 : x
  2. Step 2: Convert to fraction form
    535,960.55/739,131.89 = 364,135.70/x
  3. Step 3: Cross multiply
    535,960.55x = 739,131.89 × 364,135.70
  4. Step 4: Simplify right side
    535,960.55x = 269,144,308,184.62
  5. Step 5: Solve for x
    x = 269,144,308,184.62/535,960.55
  6. Step 6: Final answer
    x = 502,171.86

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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.