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Finding the Fourth Proportional to 503,997.97, 695,516.89 and 277,643.47

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Solution

The fourth proportional to 503,997.97, 695,516.89 and 277,643.47 is: 383,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,997.97 : 695,516.89 = 277,643.47 : x
  2. Step 2: Convert to fraction form
    503,997.97/695,516.89 = 277,643.47/x
  3. Step 3: Cross multiply
    503,997.97x = 695,516.89 × 277,643.47
  4. Step 4: Simplify right side
    503,997.97x = 193,105,722,174.98
  5. Step 5: Solve for x
    x = 193,105,722,174.98/503,997.97
  6. Step 6: Final answer
    x = 383,147.82

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1.5x scale

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.