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Finding the Fourth Proportional to 504,213.84, 695,811.78 and 277,859.52

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Solution

The fourth proportional to 504,213.84, 695,811.78 and 277,859.52 is: 383,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,213.84 : 695,811.78 = 277,859.52 : x
  2. Step 2: Convert to fraction form
    504,213.84/695,811.78 = 277,859.52/x
  3. Step 3: Cross multiply
    504,213.84x = 695,811.78 × 277,859.52
  4. Step 4: Simplify right side
    504,213.84x = 193,337,927,201.15
  5. Step 5: Solve for x
    x = 193,337,927,201.15/504,213.84
  6. Step 6: Final answer
    x = 383,444.31

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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.