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Finding the Fourth Proportional to 440,022.60, 660,033.90 and 440,022.60

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Solution

The fourth proportional to 440,022.60, 660,033.90 and 440,022.60 is: 660,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,022.60 : 660,033.90 = 440,022.60 : x
  2. Step 2: Convert to fraction form
    440,022.60/660,033.90 = 440,022.60/x
  3. Step 3: Cross multiply
    440,022.60x = 660,033.90 × 440,022.60
  4. Step 4: Simplify right side
    440,022.60x = 290,429,832,766.14
  5. Step 5: Solve for x
    x = 290,429,832,766.14/440,022.60
  6. Step 6: Final answer
    x = 660,033.90

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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.