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Finding the Fourth Proportional to 550,274.52, 759,410.46 and 308,634.60

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Solution

The fourth proportional to 550,274.52, 759,410.46 and 308,634.60 is: 425,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,274.52 : 759,410.46 = 308,634.60 : x
  2. Step 2: Convert to fraction form
    550,274.52/759,410.46 = 308,634.60/x
  3. Step 3: Cross multiply
    550,274.52x = 759,410.46 × 308,634.60
  4. Step 4: Simplify right side
    550,274.52x = 234,380,343,557.92
  5. Step 5: Solve for x
    x = 234,380,343,557.92/550,274.52
  6. Step 6: Final answer
    x = 425,933.48

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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.