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Finding the Fourth Proportional to 264,926.80, 397,390.20 and 247,301.20

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Solution

The fourth proportional to 264,926.80, 397,390.20 and 247,301.20 is: 370,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,926.80 : 397,390.20 = 247,301.20 : x
  2. Step 2: Convert to fraction form
    264,926.80/397,390.20 = 247,301.20/x
  3. Step 3: Cross multiply
    264,926.80x = 397,390.20 × 247,301.20
  4. Step 4: Simplify right side
    264,926.80x = 98,275,073,328.24
  5. Step 5: Solve for x
    x = 98,275,073,328.24/264,926.80
  6. Step 6: Final answer
    x = 370,951.80

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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.