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Finding the Fourth Proportional to 301,276.26, 415,798.11 and 173,951.55

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Solution

The fourth proportional to 301,276.26, 415,798.11 and 173,951.55 is: 240,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,276.26 : 415,798.11 = 173,951.55 : x
  2. Step 2: Convert to fraction form
    301,276.26/415,798.11 = 173,951.55/x
  3. Step 3: Cross multiply
    301,276.26x = 415,798.11 × 173,951.55
  4. Step 4: Simplify right side
    301,276.26x = 72,328,725,721.57
  5. Step 5: Solve for x
    x = 72,328,725,721.57/301,276.26
  6. Step 6: Final answer
    x = 240,074.43

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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.