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Finding the Fourth Proportional to 422,473.93, 633,711.85 and 102,624.37

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Solution

The fourth proportional to 422,473.93, 633,711.85 and 102,624.37 is: 153,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,473.93 : 633,711.85 = 102,624.37 : x
  2. Step 2: Convert to fraction form
    422,473.93/633,711.85 = 102,624.37/x
  3. Step 3: Cross multiply
    422,473.93x = 633,711.85 × 102,624.37
  4. Step 4: Simplify right side
    422,473.93x = 65,034,277,526.94
  5. Step 5: Solve for x
    x = 65,034,277,526.94/422,473.93
  6. Step 6: Final answer
    x = 153,936.78

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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.