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Finding the Fourth Proportional to 503,997.57, 695,516.33 and 277,643.07

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Solution

The fourth proportional to 503,997.57, 695,516.33 and 277,643.07 is: 383,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,997.57 : 695,516.33 = 277,643.07 : x
  2. Step 2: Convert to fraction form
    503,997.57/695,516.33 = 277,643.07/x
  3. Step 3: Cross multiply
    503,997.57x = 695,516.33 × 277,643.07
  4. Step 4: Simplify right side
    503,997.57x = 193,105,289,096.33
  5. Step 5: Solve for x
    x = 193,105,289,096.33/503,997.57
  6. Step 6: Final answer
    x = 383,147.26

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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.