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Finding the Fourth Proportional to 294,668.28, 406,535.56 and 192,751.92

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Solution

The fourth proportional to 294,668.28, 406,535.56 and 192,751.92 is: 265,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,668.28 : 406,535.56 = 192,751.92 : x
  2. Step 2: Convert to fraction form
    294,668.28/406,535.56 = 192,751.92/x
  3. Step 3: Cross multiply
    294,668.28x = 406,535.56 × 192,751.92
  4. Step 4: Simplify right side
    294,668.28x = 78,360,509,738.28
  5. Step 5: Solve for x
    x = 78,360,509,738.28/294,668.28
  6. Step 6: Final answer
    x = 265,927.88

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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.