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Finding the Fourth Proportional to 616,110.30, 923,765.85 and 261,027.90

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Solution

The fourth proportional to 616,110.30, 923,765.85 and 261,027.90 is: 391,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,110.30 : 923,765.85 = 261,027.90 : x
  2. Step 2: Convert to fraction form
    616,110.30/923,765.85 = 261,027.90/x
  3. Step 3: Cross multiply
    616,110.30x = 923,765.85 × 261,027.90
  4. Step 4: Simplify right side
    616,110.30x = 241,128,659,917.22
  5. Step 5: Solve for x
    x = 241,128,659,917.22/616,110.30
  6. Step 6: Final answer
    x = 391,372.55

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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.