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Finding the Fourth Proportional to 700,889.63, 967,226.94 and 378,599.67

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Solution

The fourth proportional to 700,889.63, 967,226.94 and 378,599.67 is: 522,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,889.63 : 967,226.94 = 378,599.67 : x
  2. Step 2: Convert to fraction form
    700,889.63/967,226.94 = 378,599.67/x
  3. Step 3: Cross multiply
    700,889.63x = 967,226.94 × 378,599.67
  4. Step 4: Simplify right side
    700,889.63x = 366,191,800,299.11
  5. Step 5: Solve for x
    x = 366,191,800,299.11/700,889.63
  6. Step 6: Final answer
    x = 522,467.14

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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.