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Finding the Fourth Proportional to 702,937.78, 1,054,188.73 and 253,600.27

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Solution

The fourth proportional to 702,937.78, 1,054,188.73 and 253,600.27 is: 380,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,937.78 : 1,054,188.73 = 253,600.27 : x
  2. Step 2: Convert to fraction form
    702,937.78/1,054,188.73 = 253,600.27/x
  3. Step 3: Cross multiply
    702,937.78x = 1,054,188.73 × 253,600.27
  4. Step 4: Simplify right side
    702,937.78x = 267,342,546,558.96
  5. Step 5: Solve for x
    x = 267,342,546,558.96/702,937.78
  6. Step 6: Final answer
    x = 380,321.78

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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.