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Finding the Fourth Proportional to 261,978.05, 393,241.94 and 232,183.01

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Solution

The fourth proportional to 261,978.05, 393,241.94 and 232,183.01 is: 348,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,978.05 : 393,241.94 = 232,183.01 : x
  2. Step 2: Convert to fraction form
    261,978.05/393,241.94 = 232,183.01/x
  3. Step 3: Cross multiply
    261,978.05x = 393,241.94 × 232,183.01
  4. Step 4: Simplify right side
    261,978.05x = 91,304,097,287.44
  5. Step 5: Solve for x
    x = 91,304,097,287.44/261,978.05
  6. Step 6: Final answer
    x = 348,518.12

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