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Finding the Fourth Proportional to 364,680.66, 503,259.91 and 203,535.66

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Solution

The fourth proportional to 364,680.66, 503,259.91 and 203,535.66 is: 280,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,680.66 : 503,259.91 = 203,535.66 : x
  2. Step 2: Convert to fraction form
    364,680.66/503,259.91 = 203,535.66/x
  3. Step 3: Cross multiply
    364,680.66x = 503,259.91 × 203,535.66
  4. Step 4: Simplify right side
    364,680.66x = 102,431,338,468.80
  5. Step 5: Solve for x
    x = 102,431,338,468.80/364,680.66
  6. Step 6: Final answer
    x = 280,879.55

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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.