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Finding the Fourth Proportional to 321,982.72, 483,055.61 and 227,397.67

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Solution

The fourth proportional to 321,982.72, 483,055.61 and 227,397.67 is: 341,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,982.72 : 483,055.61 = 227,397.67 : x
  2. Step 2: Convert to fraction form
    321,982.72/483,055.61 = 227,397.67/x
  3. Step 3: Cross multiply
    321,982.72x = 483,055.61 × 227,397.67
  4. Step 4: Simplify right side
    321,982.72x = 109,845,720,194.43
  5. Step 5: Solve for x
    x = 109,845,720,194.43/321,982.72
  6. Step 6: Final answer
    x = 341,154.08

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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.