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Finding the Fourth Proportional to 467,305.89, 645,097.41 and 273,686.73

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Solution

The fourth proportional to 467,305.89, 645,097.41 and 273,686.73 is: 377,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,305.89 : 645,097.41 = 273,686.73 : x
  2. Step 2: Convert to fraction form
    467,305.89/645,097.41 = 273,686.73/x
  3. Step 3: Cross multiply
    467,305.89x = 645,097.41 × 273,686.73
  4. Step 4: Simplify right side
    467,305.89x = 176,554,600,674.37
  5. Step 5: Solve for x
    x = 176,554,600,674.37/467,305.89
  6. Step 6: Final answer
    x = 377,813.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.