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Finding the Fourth Proportional to 317,063.04, 437,591.68 and 196,243.20

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Solution

The fourth proportional to 317,063.04, 437,591.68 and 196,243.20 is: 270,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,063.04 : 437,591.68 = 196,243.20 : x
  2. Step 2: Convert to fraction form
    317,063.04/437,591.68 = 196,243.20/x
  3. Step 3: Cross multiply
    317,063.04x = 437,591.68 × 196,243.20
  4. Step 4: Simplify right side
    317,063.04x = 85,874,391,576.58
  5. Step 5: Solve for x
    x = 85,874,391,576.58/317,063.04
  6. Step 6: Final answer
    x = 270,843.27

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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.