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Finding the Fourth Proportional to 353,777.60, 488,206.76 and 192,629.72

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Solution

The fourth proportional to 353,777.60, 488,206.76 and 192,629.72 is: 265,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,777.60 : 488,206.76 = 192,629.72 : x
  2. Step 2: Convert to fraction form
    353,777.60/488,206.76 = 192,629.72/x
  3. Step 3: Cross multiply
    353,777.60x = 488,206.76 × 192,629.72
  4. Step 4: Simplify right side
    353,777.60x = 94,043,131,480.91
  5. Step 5: Solve for x
    x = 94,043,131,480.91/353,777.60
  6. Step 6: Final answer
    x = 265,825.57

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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.