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Finding the Fourth Proportional to 354,500.88, 489,183.48 and 193,346.52

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Solution

The fourth proportional to 354,500.88, 489,183.48 and 193,346.52 is: 266,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,500.88 : 489,183.48 = 193,346.52 : x
  2. Step 2: Convert to fraction form
    354,500.88/489,183.48 = 193,346.52/x
  3. Step 3: Cross multiply
    354,500.88x = 489,183.48 × 193,346.52
  4. Step 4: Simplify right side
    354,500.88x = 94,581,923,499.49
  5. Step 5: Solve for x
    x = 94,581,923,499.49/354,500.88
  6. Step 6: Final answer
    x = 266,803.07

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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.