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Finding the Fourth Proportional to 727,881.88, 1,091,924.88 and 254,459.56

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Solution

The fourth proportional to 727,881.88, 1,091,924.88 and 254,459.56 is: 381,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,881.88 : 1,091,924.88 = 254,459.56 : x
  2. Step 2: Convert to fraction form
    727,881.88/1,091,924.88 = 254,459.56/x
  3. Step 3: Cross multiply
    727,881.88x = 1,091,924.88 × 254,459.56
  4. Step 4: Simplify right side
    727,881.88x = 277,850,724,517.85
  5. Step 5: Solve for x
    x = 277,850,724,517.85/727,881.88
  6. Step 6: Final answer
    x = 381,725.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.