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Finding the Fourth Proportional to 502,999.95, 694,144.53 and 273,559.44

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Solution

The fourth proportional to 502,999.95, 694,144.53 and 273,559.44 is: 377,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,999.95 : 694,144.53 = 273,559.44 : x
  2. Step 2: Convert to fraction form
    502,999.95/694,144.53 = 273,559.44/x
  3. Step 3: Cross multiply
    502,999.95x = 694,144.53 × 273,559.44
  4. Step 4: Simplify right side
    502,999.95x = 189,889,788,905.86
  5. Step 5: Solve for x
    x = 189,889,788,905.86/502,999.95
  6. Step 6: Final answer
    x = 377,514.53

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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.