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Finding the Fourth Proportional to 703,670.84, 1,055,507.03 and 171,191.87

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Solution

The fourth proportional to 703,670.84, 1,055,507.03 and 171,191.87 is: 256,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,670.84 : 1,055,507.03 = 171,191.87 : x
  2. Step 2: Convert to fraction form
    703,670.84/1,055,507.03 = 171,191.87/x
  3. Step 3: Cross multiply
    703,670.84x = 1,055,507.03 × 171,191.87
  4. Step 4: Simplify right side
    703,670.84x = 180,694,218,764.68
  5. Step 5: Solve for x
    x = 180,694,218,764.68/703,670.84
  6. Step 6: Final answer
    x = 256,787.99

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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.