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Finding the Fourth Proportional to 352,843.69, 486,921.67 and 191,700.07

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Solution

The fourth proportional to 352,843.69, 486,921.67 and 191,700.07 is: 264,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,843.69 : 486,921.67 = 191,700.07 : x
  2. Step 2: Convert to fraction form
    352,843.69/486,921.67 = 191,700.07/x
  3. Step 3: Cross multiply
    352,843.69x = 486,921.67 × 191,700.07
  4. Step 4: Simplify right side
    352,843.69x = 93,342,918,223.52
  5. Step 5: Solve for x
    x = 93,342,918,223.52/352,843.69
  6. Step 6: Final answer
    x = 264,544.67

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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.