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Finding the Fourth Proportional to 605,907.96, 836,115.24 and 333,978

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Solution

The fourth proportional to 605,907.96, 836,115.24 and 333,978 is: 460,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,907.96 : 836,115.24 = 333,978 : x
  2. Step 2: Convert to fraction form
    605,907.96/836,115.24 = 333,978/x
  3. Step 3: Cross multiply
    605,907.96x = 836,115.24 × 333,978
  4. Step 4: Simplify right side
    605,907.96x = 279,244,095,624.72
  5. Step 5: Solve for x
    x = 279,244,095,624.72/605,907.96
  6. Step 6: Final answer
    x = 460,868.83

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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.