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Finding the Fourth Proportional to 503,906.48, 695,390.88 and 277,551.98

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Solution

The fourth proportional to 503,906.48, 695,390.88 and 277,551.98 is: 383,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,906.48 : 695,390.88 = 277,551.98 : x
  2. Step 2: Convert to fraction form
    503,906.48/695,390.88 = 277,551.98/x
  3. Step 3: Cross multiply
    503,906.48x = 695,390.88 × 277,551.98
  4. Step 4: Simplify right side
    503,906.48x = 193,007,115,617.94
  5. Step 5: Solve for x
    x = 193,007,115,617.94/503,906.48
  6. Step 6: Final answer
    x = 383,021.70

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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.