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Finding the Fourth Proportional to 501,226.56, 751,978.62 and 231,437.04

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Solution

The fourth proportional to 501,226.56, 751,978.62 and 231,437.04 is: 347,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,226.56 : 751,978.62 = 231,437.04 : x
  2. Step 2: Convert to fraction form
    501,226.56/751,978.62 = 231,437.04/x
  3. Step 3: Cross multiply
    501,226.56x = 751,978.62 × 231,437.04
  4. Step 4: Simplify right side
    501,226.56x = 174,035,705,956.09
  5. Step 5: Solve for x
    x = 174,035,705,956.09/501,226.56
  6. Step 6: Final answer
    x = 347,219.64

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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.