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Finding the Fourth Proportional to 496,624.24, 744,936.60 and 122,647.60

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Solution

The fourth proportional to 496,624.24, 744,936.60 and 122,647.60 is: 183,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,624.24 : 744,936.60 = 122,647.60 : x
  2. Step 2: Convert to fraction form
    496,624.24/744,936.60 = 122,647.60/x
  3. Step 3: Cross multiply
    496,624.24x = 744,936.60 × 122,647.60
  4. Step 4: Simplify right side
    496,624.24x = 91,364,686,142.16
  5. Step 5: Solve for x
    x = 91,364,686,142.16/496,624.24
  6. Step 6: Final answer
    x = 183,971.46

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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.