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Finding the Fourth Proportional to 503,889.07, 695,367.62 and 274,447.25

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Solution

The fourth proportional to 503,889.07, 695,367.62 and 274,447.25 is: 378,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,889.07 : 695,367.62 = 274,447.25 : x
  2. Step 2: Convert to fraction form
    503,889.07/695,367.62 = 274,447.25/x
  3. Step 3: Cross multiply
    503,889.07x = 695,367.62 × 274,447.25
  4. Step 4: Simplify right side
    503,889.07x = 190,841,731,048.05
  5. Step 5: Solve for x
    x = 190,841,731,048.05/503,889.07
  6. Step 6: Final answer
    x = 378,737.59

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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.