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Finding the Fourth Proportional to 422,522.71, 633,778.08 and 102,676.93

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Solution

The fourth proportional to 422,522.71, 633,778.08 and 102,676.93 is: 154,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,522.71 : 633,778.08 = 102,676.93 : x
  2. Step 2: Convert to fraction form
    422,522.71/633,778.08 = 102,676.93/x
  3. Step 3: Cross multiply
    422,522.71x = 633,778.08 × 102,676.93
  4. Step 4: Simplify right side
    422,522.71x = 65,074,387,555.69
  5. Step 5: Solve for x
    x = 65,074,387,555.69/422,522.71
  6. Step 6: Final answer
    x = 154,013.94

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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.