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Finding the Fourth Proportional to 503,168.69, 694,377.30 and 273,730.98

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Solution

The fourth proportional to 503,168.69, 694,377.30 and 273,730.98 is: 377,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,168.69 : 694,377.30 = 273,730.98 : x
  2. Step 2: Convert to fraction form
    503,168.69/694,377.30 = 273,730.98/x
  3. Step 3: Cross multiply
    503,168.69x = 694,377.30 × 273,730.98
  4. Step 4: Simplify right side
    503,168.69x = 190,072,578,818.75
  5. Step 5: Solve for x
    x = 190,072,578,818.75/503,168.69
  6. Step 6: Final answer
    x = 377,751.21

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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.