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Finding the Fourth Proportional to 303,568.72, 455,269.94 and 114,014.42

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Solution

The fourth proportional to 303,568.72, 455,269.94 and 114,014.42 is: 170,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,568.72 : 455,269.94 = 114,014.42 : x
  2. Step 2: Convert to fraction form
    303,568.72/455,269.94 = 114,014.42/x
  3. Step 3: Cross multiply
    303,568.72x = 455,269.94 × 114,014.42
  4. Step 4: Simplify right side
    303,568.72x = 51,907,337,440.93
  5. Step 5: Solve for x
    x = 51,907,337,440.93/303,568.72
  6. Step 6: Final answer
    x = 170,990.40

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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.