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Finding the Fourth Proportional to 372,613.33, 514,273.46 and 219,642.44

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Solution

The fourth proportional to 372,613.33, 514,273.46 and 219,642.44 is: 303,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,613.33 : 514,273.46 = 219,642.44 : x
  2. Step 2: Convert to fraction form
    372,613.33/514,273.46 = 219,642.44/x
  3. Step 3: Cross multiply
    372,613.33x = 514,273.46 × 219,642.44
  4. Step 4: Simplify right side
    372,613.33x = 112,956,273,912.06
  5. Step 5: Solve for x
    x = 112,956,273,912.06/372,613.33
  6. Step 6: Final answer
    x = 303,146.09

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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.