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Finding the Fourth Proportional to 354,110.88, 488,672.80 and 192,965.68

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Solution

The fourth proportional to 354,110.88, 488,672.80 and 192,965.68 is: 266,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,110.88 : 488,672.80 = 192,965.68 : x
  2. Step 2: Convert to fraction form
    354,110.88/488,672.80 = 192,965.68/x
  3. Step 3: Cross multiply
    354,110.88x = 488,672.80 × 192,965.68
  4. Step 4: Simplify right side
    354,110.88x = 94,297,079,149.50
  5. Step 5: Solve for x
    x = 94,297,079,149.50/354,110.88
  6. Step 6: Final answer
    x = 266,292.52

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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.