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Finding the Fourth Proportional to 701,940.76, 968,678.40 and 396,082.06

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Solution

The fourth proportional to 701,940.76, 968,678.40 and 396,082.06 is: 546,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,940.76 : 968,678.40 = 396,082.06 : x
  2. Step 2: Convert to fraction form
    701,940.76/968,678.40 = 396,082.06/x
  3. Step 3: Cross multiply
    701,940.76x = 968,678.40 × 396,082.06
  4. Step 4: Simplify right side
    701,940.76x = 383,676,136,149.50
  5. Step 5: Solve for x
    x = 383,676,136,149.50/701,940.76
  6. Step 6: Final answer
    x = 546,593.33

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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.