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Finding the Fourth Proportional to 364,216.65, 502,621.95 and 203,082.59

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Solution

The fourth proportional to 364,216.65, 502,621.95 and 203,082.59 is: 280,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,216.65 : 502,621.95 = 203,082.59 : x
  2. Step 2: Convert to fraction form
    364,216.65/502,621.95 = 203,082.59/x
  3. Step 3: Cross multiply
    364,216.65x = 502,621.95 × 203,082.59
  4. Step 4: Simplify right side
    364,216.65x = 102,073,768,843.80
  5. Step 5: Solve for x
    x = 102,073,768,843.80/364,216.65
  6. Step 6: Final answer
    x = 280,255.63

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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.