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Finding the Fourth Proportional to 479,662.38, 719,114.04 and 180,109.60

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Solution

The fourth proportional to 479,662.38, 719,114.04 and 180,109.60 is: 270,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,662.38 : 719,114.04 = 180,109.60 : x
  2. Step 2: Convert to fraction form
    479,662.38/719,114.04 = 180,109.60/x
  3. Step 3: Cross multiply
    479,662.38x = 719,114.04 × 180,109.60
  4. Step 4: Simplify right side
    479,662.38x = 129,519,340,301.00
  5. Step 5: Solve for x
    x = 129,519,340,301.00/479,662.38
  6. Step 6: Final answer
    x = 270,021.89

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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.