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Finding the Fourth Proportional to 377,999.22, 567,081.81 and 277,855.82

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Solution

The fourth proportional to 377,999.22, 567,081.81 and 277,855.82 is: 416,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,999.22 : 567,081.81 = 277,855.82 : x
  2. Step 2: Convert to fraction form
    377,999.22/567,081.81 = 277,855.82/x
  3. Step 3: Cross multiply
    377,999.22x = 567,081.81 × 277,855.82
  4. Step 4: Simplify right side
    377,999.22x = 157,566,980,615.78
  5. Step 5: Solve for x
    x = 157,566,980,615.78/377,999.22
  6. Step 6: Final answer
    x = 416,844.72

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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.