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Finding the Fourth Proportional to 504,072.84, 695,620.12 and 277,718.34

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Solution

The fourth proportional to 504,072.84, 695,620.12 and 277,718.34 is: 383,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,072.84 : 695,620.12 = 277,718.34 : x
  2. Step 2: Convert to fraction form
    504,072.84/695,620.12 = 277,718.34/x
  3. Step 3: Cross multiply
    504,072.84x = 695,620.12 × 277,718.34
  4. Step 4: Simplify right side
    504,072.84x = 193,186,464,997.00
  5. Step 5: Solve for x
    x = 193,186,464,997.00/504,072.84
  6. Step 6: Final answer
    x = 383,251.09

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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.