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Finding the Fourth Proportional to 501,268.20, 751,570.20 and 276,736.20

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Solution

The fourth proportional to 501,268.20, 751,570.20 and 276,736.20 is: 414,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,268.20 : 751,570.20 = 276,736.20 : x
  2. Step 2: Convert to fraction form
    501,268.20/751,570.20 = 276,736.20/x
  3. Step 3: Cross multiply
    501,268.20x = 751,570.20 × 276,736.20
  4. Step 4: Simplify right side
    501,268.20x = 207,986,681,181.24
  5. Step 5: Solve for x
    x = 207,986,681,181.24/501,268.20
  6. Step 6: Final answer
    x = 414,920.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.