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Finding the Fourth Proportional to 701,030.22, 967,420.50 and 378,739.32

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Solution

The fourth proportional to 701,030.22, 967,420.50 and 378,739.32 is: 522,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,030.22 : 967,420.50 = 378,739.32 : x
  2. Step 2: Convert to fraction form
    701,030.22/967,420.50 = 378,739.32/x
  3. Step 3: Cross multiply
    701,030.22x = 967,420.50 × 378,739.32
  4. Step 4: Simplify right side
    701,030.22x = 366,400,182,324.06
  5. Step 5: Solve for x
    x = 366,400,182,324.06/701,030.22
  6. Step 6: Final answer
    x = 522,659.61

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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.