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Finding the Fourth Proportional to 496,820.30, 745,230.45 and 122,843.30

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Solution

The fourth proportional to 496,820.30, 745,230.45 and 122,843.30 is: 184,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,820.30 : 745,230.45 = 122,843.30 : x
  2. Step 2: Convert to fraction form
    496,820.30/745,230.45 = 122,843.30/x
  3. Step 3: Cross multiply
    496,820.30x = 745,230.45 × 122,843.30
  4. Step 4: Simplify right side
    496,820.30x = 91,546,567,738.49
  5. Step 5: Solve for x
    x = 91,546,567,738.49/496,820.30
  6. Step 6: Final answer
    x = 184,264.95

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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.