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Finding the Fourth Proportional to 550,173.87, 759,375 and 335,432.34

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Solution

The fourth proportional to 550,173.87, 759,375 and 335,432.34 is: 462,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,173.87 : 759,375 = 335,432.34 : x
  2. Step 2: Convert to fraction form
    550,173.87/759,375 = 335,432.34/x
  3. Step 3: Cross multiply
    550,173.87x = 759,375 × 335,432.34
  4. Step 4: Simplify right side
    550,173.87x = 254,718,933,187.50
  5. Step 5: Solve for x
    x = 254,718,933,187.50/550,173.87
  6. Step 6: Final answer
    x = 462,978.97

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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.