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Finding the Fourth Proportional to 292,664.97, 439,247.43 and 208,630.71

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Solution

The fourth proportional to 292,664.97, 439,247.43 and 208,630.71 is: 313,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,664.97 : 439,247.43 = 208,630.71 : x
  2. Step 2: Convert to fraction form
    292,664.97/439,247.43 = 208,630.71/x
  3. Step 3: Cross multiply
    292,664.97x = 439,247.43 × 208,630.71
  4. Step 4: Simplify right side
    292,664.97x = 91,640,503,186.58
  5. Step 5: Solve for x
    x = 91,640,503,186.58/292,664.97
  6. Step 6: Final answer
    x = 313,124.26

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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.