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Finding the Fourth Proportional to 701,897.91, 968,619.12 and 379,608.01

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Solution

The fourth proportional to 701,897.91, 968,619.12 and 379,608.01 is: 523,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,897.91 : 968,619.12 = 379,608.01 : x
  2. Step 2: Convert to fraction form
    701,897.91/968,619.12 = 379,608.01/x
  3. Step 3: Cross multiply
    701,897.91x = 968,619.12 × 379,608.01
  4. Step 4: Simplify right side
    701,897.91x = 367,695,576,591.15
  5. Step 5: Solve for x
    x = 367,695,576,591.15/701,897.91
  6. Step 6: Final answer
    x = 523,859.06

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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.