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Finding the Fourth Proportional to 496,630.24, 744,945.60 and 122,653.60

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Solution

The fourth proportional to 496,630.24, 744,945.60 and 122,653.60 is: 183,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,630.24 : 744,945.60 = 122,653.60 : x
  2. Step 2: Convert to fraction form
    496,630.24/744,945.60 = 122,653.60/x
  3. Step 3: Cross multiply
    496,630.24x = 744,945.60 × 122,653.60
  4. Step 4: Simplify right side
    496,630.24x = 91,370,259,644.16
  5. Step 5: Solve for x
    x = 91,370,259,644.16/496,630.24
  6. Step 6: Final answer
    x = 183,980.46

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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.