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Finding the Fourth Proportional to 422,791.09, 583,369.55 and 250,677.25

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Solution

The fourth proportional to 422,791.09, 583,369.55 and 250,677.25 is: 345,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,791.09 : 583,369.55 = 250,677.25 : x
  2. Step 2: Convert to fraction form
    422,791.09/583,369.55 = 250,677.25/x
  3. Step 3: Cross multiply
    422,791.09x = 583,369.55 × 250,677.25
  4. Step 4: Simplify right side
    422,791.09x = 146,237,473,274.35
  5. Step 5: Solve for x
    x = 146,237,473,274.35/422,791.09
  6. Step 6: Final answer
    x = 345,885.89

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1.5x scale

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.