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Finding the Fourth Proportional to 701,369.74, 967,870.78 and 395,443.41

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Solution

The fourth proportional to 701,369.74, 967,870.78 and 395,443.41 is: 545,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,369.74 : 967,870.78 = 395,443.41 : x
  2. Step 2: Convert to fraction form
    701,369.74/967,870.78 = 395,443.41/x
  3. Step 3: Cross multiply
    701,369.74x = 967,870.78 × 395,443.41
  4. Step 4: Simplify right side
    701,369.74x = 382,738,121,682.56
  5. Step 5: Solve for x
    x = 382,738,121,682.56/701,369.74
  6. Step 6: Final answer
    x = 545,700.93

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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.