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Finding the Fourth Proportional to 519,819.69, 779,729.00 and 195,668.32

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Solution

The fourth proportional to 519,819.69, 779,729.00 and 195,668.32 is: 293,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,819.69 : 779,729.00 = 195,668.32 : x
  2. Step 2: Convert to fraction form
    519,819.69/779,729.00 = 195,668.32/x
  3. Step 3: Cross multiply
    519,819.69x = 779,729.00 × 195,668.32
  4. Step 4: Simplify right side
    519,819.69x = 152,568,263,120.24
  5. Step 5: Solve for x
    x = 152,568,263,120.24/519,819.69
  6. Step 6: Final answer
    x = 293,502.28

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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.