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Finding the Fourth Proportional to 703,474, 1,055,529.36 and 276,892.36

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Solution

The fourth proportional to 703,474, 1,055,529.36 and 276,892.36 is: 415,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,474 : 1,055,529.36 = 276,892.36 : x
  2. Step 2: Convert to fraction form
    703,474/1,055,529.36 = 276,892.36/x
  3. Step 3: Cross multiply
    703,474x = 1,055,529.36 × 276,892.36
  4. Step 4: Simplify right side
    703,474x = 292,268,015,539.69
  5. Step 5: Solve for x
    x = 292,268,015,539.69/703,474
  6. Step 6: Final answer
    x = 415,463.85

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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.