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Finding the Fourth Proportional to 691,707.52, 954,556.36 and 373,755.52

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Solution

The fourth proportional to 691,707.52, 954,556.36 and 373,755.52 is: 515,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,707.52 : 954,556.36 = 373,755.52 : x
  2. Step 2: Convert to fraction form
    691,707.52/954,556.36 = 373,755.52/x
  3. Step 3: Cross multiply
    691,707.52x = 954,556.36 × 373,755.52
  4. Step 4: Simplify right side
    691,707.52x = 356,770,708,701.11
  5. Step 5: Solve for x
    x = 356,770,708,701.11/691,707.52
  6. Step 6: Final answer
    x = 515,782.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.