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Finding the Fourth Proportional to 496,664.40, 744,996.60 and 181,347.60

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Solution

The fourth proportional to 496,664.40, 744,996.60 and 181,347.60 is: 272,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,664.40 : 744,996.60 = 181,347.60 : x
  2. Step 2: Convert to fraction form
    496,664.40/744,996.60 = 181,347.60/x
  3. Step 3: Cross multiply
    496,664.40x = 744,996.60 × 181,347.60
  4. Step 4: Simplify right side
    496,664.40x = 135,103,345,418.16
  5. Step 5: Solve for x
    x = 135,103,345,418.16/496,664.40
  6. Step 6: Final answer
    x = 272,021.40

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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.