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Finding the Fourth Proportional to 373,447.11, 559,883.54 and 193,339.46

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Solution

The fourth proportional to 373,447.11, 559,883.54 and 193,339.46 is: 289,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,447.11 : 559,883.54 = 193,339.46 : x
  2. Step 2: Convert to fraction form
    373,447.11/559,883.54 = 193,339.46/x
  3. Step 3: Cross multiply
    373,447.11x = 559,883.54 × 193,339.46
  4. Step 4: Simplify right side
    373,447.11x = 108,247,580,020.20
  5. Step 5: Solve for x
    x = 108,247,580,020.20/373,447.11
  6. Step 6: Final answer
    x = 289,860.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.