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Finding the Fourth Proportional to 550,174.37, 759,375.69 and 335,432.84

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Solution

The fourth proportional to 550,174.37, 759,375.69 and 335,432.84 is: 462,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,174.37 : 759,375.69 = 335,432.84 : x
  2. Step 2: Convert to fraction form
    550,174.37/759,375.69 = 335,432.84/x
  3. Step 3: Cross multiply
    550,174.37x = 759,375.69 × 335,432.84
  4. Step 4: Simplify right side
    550,174.37x = 254,719,544,323.66
  5. Step 5: Solve for x
    x = 254,719,544,323.66/550,174.37
  6. Step 6: Final answer
    x = 462,979.66

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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.