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Finding the Fourth Proportional to 501,577.34, 751,081.44 and 276,687.80

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Solution

The fourth proportional to 501,577.34, 751,081.44 and 276,687.80 is: 414,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,577.34 : 751,081.44 = 276,687.80 : x
  2. Step 2: Convert to fraction form
    501,577.34/751,081.44 = 276,687.80/x
  3. Step 3: Cross multiply
    501,577.34x = 751,081.44 × 276,687.80
  4. Step 4: Simplify right side
    501,577.34x = 207,815,071,254.43
  5. Step 5: Solve for x
    x = 207,815,071,254.43/501,577.34
  6. Step 6: Final answer
    x = 414,323.09

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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.