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Finding the Fourth Proportional to 316,992.04, 437,493.87 and 196,172.24

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Solution

The fourth proportional to 316,992.04, 437,493.87 and 196,172.24 is: 270,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,992.04 : 437,493.87 = 196,172.24 : x
  2. Step 2: Convert to fraction form
    316,992.04/437,493.87 = 196,172.24/x
  3. Step 3: Cross multiply
    316,992.04x = 437,493.87 × 196,172.24
  4. Step 4: Simplify right side
    316,992.04x = 85,824,150,276.70
  5. Step 5: Solve for x
    x = 85,824,150,276.70/316,992.04
  6. Step 6: Final answer
    x = 270,745.45

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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.