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Finding the Fourth Proportional to 303,065.96, 451,020.61 and 292,974.77

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Solution

The fourth proportional to 303,065.96, 451,020.61 and 292,974.77 is: 436,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,065.96 : 451,020.61 = 292,974.77 : x
  2. Step 2: Convert to fraction form
    303,065.96/451,020.61 = 292,974.77/x
  3. Step 3: Cross multiply
    303,065.96x = 451,020.61 × 292,974.77
  4. Step 4: Simplify right side
    303,065.96x = 132,137,659,325.80
  5. Step 5: Solve for x
    x = 132,137,659,325.80/303,065.96
  6. Step 6: Final answer
    x = 436,002.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.