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Finding the Fourth Proportional to 701,176.65, 967,623.73 and 378,886.73

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Solution

The fourth proportional to 701,176.65, 967,623.73 and 378,886.73 is: 522,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,176.65 : 967,623.73 = 378,886.73 : x
  2. Step 2: Convert to fraction form
    701,176.65/967,623.73 = 378,886.73/x
  3. Step 3: Cross multiply
    701,176.65x = 967,623.73 × 378,886.73
  4. Step 4: Simplify right side
    701,176.65x = 366,619,796,347.48
  5. Step 5: Solve for x
    x = 366,619,796,347.48/701,176.65
  6. Step 6: Final answer
    x = 522,863.67

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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.