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Finding the Fourth Proportional to 366,980.60, 550,989.30 and 227,012.60

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Solution

The fourth proportional to 366,980.60, 550,989.30 and 227,012.60 is: 340,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.60 : 550,989.30 = 227,012.60 : x
  2. Step 2: Convert to fraction form
    366,980.60/550,989.30 = 227,012.60/x
  3. Step 3: Cross multiply
    366,980.60x = 550,989.30 × 227,012.60
  4. Step 4: Simplify right side
    366,980.60x = 125,081,513,565.18
  5. Step 5: Solve for x
    x = 125,081,513,565.18/366,980.60
  6. Step 6: Final answer
    x = 340,839.58

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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.