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Finding the Fourth Proportional to 364,719.65, 503,296.54 and 203,571.16

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Solution

The fourth proportional to 364,719.65, 503,296.54 and 203,571.16 is: 280,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,719.65 : 503,296.54 = 203,571.16 : x
  2. Step 2: Convert to fraction form
    364,719.65/503,296.54 = 203,571.16/x
  3. Step 3: Cross multiply
    364,719.65x = 503,296.54 × 203,571.16
  4. Step 4: Simplify right side
    364,719.65x = 102,456,658,704.62
  5. Step 5: Solve for x
    x = 102,456,658,704.62/364,719.65
  6. Step 6: Final answer
    x = 280,918.95

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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.