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Finding the Fourth Proportional to 503,056.49, 694,197.83 and 273,613.93

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Solution

The fourth proportional to 503,056.49, 694,197.83 and 273,613.93 is: 377,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,056.49 : 694,197.83 = 273,613.93 : x
  2. Step 2: Convert to fraction form
    503,056.49/694,197.83 = 273,613.93/x
  3. Step 3: Cross multiply
    503,056.49x = 694,197.83 × 273,613.93
  4. Step 4: Simplify right side
    503,056.49x = 189,942,198,034.21
  5. Step 5: Solve for x
    x = 189,942,198,034.21/503,056.49
  6. Step 6: Final answer
    x = 377,576.28

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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.