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Finding the Fourth Proportional to 227,315.07, 340,972.61 and 226,987.02

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Solution

The fourth proportional to 227,315.07, 340,972.61 and 226,987.02 is: 340,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,315.07 : 340,972.61 = 226,987.02 : x
  2. Step 2: Convert to fraction form
    227,315.07/340,972.61 = 226,987.02/x
  3. Step 3: Cross multiply
    227,315.07x = 340,972.61 × 226,987.02
  4. Step 4: Simplify right side
    227,315.07x = 77,396,355,510.59
  5. Step 5: Solve for x
    x = 77,396,355,510.59/227,315.07
  6. Step 6: Final answer
    x = 340,480.53

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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.