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Finding the Fourth Proportional to 340,319.63, 510,556.26 and 112,614.67

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Solution

The fourth proportional to 340,319.63, 510,556.26 and 112,614.67 is: 168,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,319.63 : 510,556.26 = 112,614.67 : x
  2. Step 2: Convert to fraction form
    340,319.63/510,556.26 = 112,614.67/x
  3. Step 3: Cross multiply
    340,319.63x = 510,556.26 × 112,614.67
  4. Step 4: Simplify right side
    340,319.63x = 57,496,124,736.33
  5. Step 5: Solve for x
    x = 57,496,124,736.33/340,319.63
  6. Step 6: Final answer
    x = 168,947.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.