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Finding the Fourth Proportional to 496,624.20, 744,936.30 and 122,647.20

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Solution

The fourth proportional to 496,624.20, 744,936.30 and 122,647.20 is: 183,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,624.20 : 744,936.30 = 122,647.20 : x
  2. Step 2: Convert to fraction form
    496,624.20/744,936.30 = 122,647.20/x
  3. Step 3: Cross multiply
    496,624.20x = 744,936.30 × 122,647.20
  4. Step 4: Simplify right side
    496,624.20x = 91,364,351,373.36
  5. Step 5: Solve for x
    x = 91,364,351,373.36/496,624.20
  6. Step 6: Final answer
    x = 183,970.80

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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.