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Finding the Fourth Proportional to 481,055.60, 721,842.60 and 200,601.20

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Solution

The fourth proportional to 481,055.60, 721,842.60 and 200,601.20 is: 301,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,055.60 : 721,842.60 = 200,601.20 : x
  2. Step 2: Convert to fraction form
    481,055.60/721,842.60 = 200,601.20/x
  3. Step 3: Cross multiply
    481,055.60x = 721,842.60 × 200,601.20
  4. Step 4: Simplify right side
    481,055.60x = 144,802,491,771.12
  5. Step 5: Solve for x
    x = 144,802,491,771.12/481,055.60
  6. Step 6: Final answer
    x = 301,009.89

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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.