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Finding the Fourth Proportional to 702,997.44, 1,054,278 and 253,659.96

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Solution

The fourth proportional to 702,997.44, 1,054,278 and 253,659.96 is: 380,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,997.44 : 1,054,278 = 253,659.96 : x
  2. Step 2: Convert to fraction form
    702,997.44/1,054,278 = 253,659.96/x
  3. Step 3: Cross multiply
    702,997.44x = 1,054,278 × 253,659.96
  4. Step 4: Simplify right side
    702,997.44x = 267,428,115,308.88
  5. Step 5: Solve for x
    x = 267,428,115,308.88/702,997.44
  6. Step 6: Final answer
    x = 380,411.22

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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.