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Finding the Fourth Proportional to 317,046.30, 437,673.48 and 196,266.48

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Solution

The fourth proportional to 317,046.30, 437,673.48 and 196,266.48 is: 270,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,046.30 : 437,673.48 = 196,266.48 : x
  2. Step 2: Convert to fraction form
    317,046.30/437,673.48 = 196,266.48/x
  3. Step 3: Cross multiply
    317,046.30x = 437,673.48 × 196,266.48
  4. Step 4: Simplify right side
    317,046.30x = 85,900,633,308.95
  5. Step 5: Solve for x
    x = 85,900,633,308.95/317,046.30
  6. Step 6: Final answer
    x = 270,940.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.