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Finding the Fourth Proportional to 354,062.89, 488,600.62 and 192,919.27

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Solution

The fourth proportional to 354,062.89, 488,600.62 and 192,919.27 is: 266,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,062.89 : 488,600.62 = 192,919.27 : x
  2. Step 2: Convert to fraction form
    354,062.89/488,600.62 = 192,919.27/x
  3. Step 3: Cross multiply
    354,062.89x = 488,600.62 × 192,919.27
  4. Step 4: Simplify right side
    354,062.89x = 94,260,474,931.95
  5. Step 5: Solve for x
    x = 94,260,474,931.95/354,062.89
  6. Step 6: Final answer
    x = 266,225.23

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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.