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Finding the Fourth Proportional to 503,286.35, 754,696.24 and 187,658.51

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Solution

The fourth proportional to 503,286.35, 754,696.24 and 187,658.51 is: 281,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,286.35 : 754,696.24 = 187,658.51 : x
  2. Step 2: Convert to fraction form
    503,286.35/754,696.24 = 187,658.51/x
  3. Step 3: Cross multiply
    503,286.35x = 754,696.24 × 187,658.51
  4. Step 4: Simplify right side
    503,286.35x = 141,625,167,658.38
  5. Step 5: Solve for x
    x = 141,625,167,658.38/503,286.35
  6. Step 6: Final answer
    x = 281,400.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.