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Finding the Fourth Proportional to 361,499.50, 542,574.48 and 193,163.72

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Solution

The fourth proportional to 361,499.50, 542,574.48 and 193,163.72 is: 289,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,499.50 : 542,574.48 = 193,163.72 : x
  2. Step 2: Convert to fraction form
    361,499.50/542,574.48 = 193,163.72/x
  3. Step 3: Cross multiply
    361,499.50x = 542,574.48 × 193,163.72
  4. Step 4: Simplify right side
    361,499.50x = 104,805,704,445.39
  5. Step 5: Solve for x
    x = 104,805,704,445.39/361,499.50
  6. Step 6: Final answer
    x = 289,919.36

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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.