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Finding the Fourth Proportional to 503,462.42, 755,195.66 and 203,948.72

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Solution

The fourth proportional to 503,462.42, 755,195.66 and 203,948.72 is: 305,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,462.42 : 755,195.66 = 203,948.72 : x
  2. Step 2: Convert to fraction form
    503,462.42/755,195.66 = 203,948.72/x
  3. Step 3: Cross multiply
    503,462.42x = 755,195.66 × 203,948.72
  4. Step 4: Simplify right side
    503,462.42x = 154,021,183,410.83
  5. Step 5: Solve for x
    x = 154,021,183,410.83/503,462.42
  6. Step 6: Final answer
    x = 305,923.90

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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.