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Finding the Fourth Proportional to 503,999.72, 695,519.30 and 277,645.22

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Solution

The fourth proportional to 503,999.72, 695,519.30 and 277,645.22 is: 383,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.72 : 695,519.30 = 277,645.22 : x
  2. Step 2: Convert to fraction form
    503,999.72/695,519.30 = 277,645.22/x
  3. Step 3: Cross multiply
    503,999.72x = 695,519.30 × 277,645.22
  4. Step 4: Simplify right side
    503,999.72x = 193,107,606,150.44
  5. Step 5: Solve for x
    x = 193,107,606,150.44/503,999.72
  6. Step 6: Final answer
    x = 383,150.23

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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.