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Finding the Fourth Proportional to 701,049.78, 967,425.75 and 443,065.17

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Solution

The fourth proportional to 701,049.78, 967,425.75 and 443,065.17 is: 611,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,049.78 : 967,425.75 = 443,065.17 : x
  2. Step 2: Convert to fraction form
    701,049.78/967,425.75 = 443,065.17/x
  3. Step 3: Cross multiply
    701,049.78x = 967,425.75 × 443,065.17
  4. Step 4: Simplify right side
    701,049.78x = 428,632,654,386.13
  5. Step 5: Solve for x
    x = 428,632,654,386.13/701,049.78
  6. Step 6: Final answer
    x = 611,415.43

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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.