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Finding the Fourth Proportional to 550,174.12, 759,375.35 and 335,432.59

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Solution

The fourth proportional to 550,174.12, 759,375.35 and 335,432.59 is: 462,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,174.12 : 759,375.35 = 335,432.59 : x
  2. Step 2: Convert to fraction form
    550,174.12/759,375.35 = 335,432.59/x
  3. Step 3: Cross multiply
    550,174.12x = 759,375.35 × 335,432.59
  4. Step 4: Simplify right side
    550,174.12x = 254,719,238,755.49
  5. Step 5: Solve for x
    x = 254,719,238,755.49/550,174.12
  6. Step 6: Final answer
    x = 462,979.32

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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.