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Finding the Fourth Proportional to 606,684, 837,223.92 and 338,412

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Solution

The fourth proportional to 606,684, 837,223.92 and 338,412 is: 467,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,684 : 837,223.92 = 338,412 : x
  2. Step 2: Convert to fraction form
    606,684/837,223.92 = 338,412/x
  3. Step 3: Cross multiply
    606,684x = 837,223.92 × 338,412
  4. Step 4: Simplify right side
    606,684x = 283,326,621,215.04
  5. Step 5: Solve for x
    x = 283,326,621,215.04/606,684
  6. Step 6: Final answer
    x = 467,008.56

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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.