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Finding the Fourth Proportional to 364,803.35, 503,424.05 and 203,661.14

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Solution

The fourth proportional to 364,803.35, 503,424.05 and 203,661.14 is: 281,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,803.35 : 503,424.05 = 203,661.14 : x
  2. Step 2: Convert to fraction form
    364,803.35/503,424.05 = 203,661.14/x
  3. Step 3: Cross multiply
    364,803.35x = 503,424.05 × 203,661.14
  4. Step 4: Simplify right side
    364,803.35x = 102,527,912,390.99
  5. Step 5: Solve for x
    x = 102,527,912,390.99/364,803.35
  6. Step 6: Final answer
    x = 281,049.81

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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.