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Finding the Fourth Proportional to 606,944.72, 837,668.04 and 338,690

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Solution

The fourth proportional to 606,944.72, 837,668.04 and 338,690 is: 467,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,944.72 : 837,668.04 = 338,690 : x
  2. Step 2: Convert to fraction form
    606,944.72/837,668.04 = 338,690/x
  3. Step 3: Cross multiply
    606,944.72x = 837,668.04 × 338,690
  4. Step 4: Simplify right side
    606,944.72x = 283,709,788,467.60
  5. Step 5: Solve for x
    x = 283,709,788,467.60/606,944.72
  6. Step 6: Final answer
    x = 467,439.26

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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.