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Finding the Fourth Proportional to 311,207.20, 466,033.20 and 248,999.20

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Solution

The fourth proportional to 311,207.20, 466,033.20 and 248,999.20 is: 372,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,207.20 : 466,033.20 = 248,999.20 : x
  2. Step 2: Convert to fraction form
    311,207.20/466,033.20 = 248,999.20/x
  3. Step 3: Cross multiply
    311,207.20x = 466,033.20 × 248,999.20
  4. Step 4: Simplify right side
    311,207.20x = 116,041,893,973.44
  5. Step 5: Solve for x
    x = 116,041,893,973.44/311,207.20
  6. Step 6: Final answer
    x = 372,876.64

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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.