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Finding the Fourth Proportional to 599,170.91, 826,745.40 and 354,195.18

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Solution

The fourth proportional to 599,170.91, 826,745.40 and 354,195.18 is: 488,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,170.91 : 826,745.40 = 354,195.18 : x
  2. Step 2: Convert to fraction form
    599,170.91/826,745.40 = 354,195.18/x
  3. Step 3: Cross multiply
    599,170.91x = 826,745.40 × 354,195.18
  4. Step 4: Simplify right side
    599,170.91x = 292,829,235,767.17
  5. Step 5: Solve for x
    x = 292,829,235,767.17/599,170.91
  6. Step 6: Final answer
    x = 488,724.06

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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.