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Finding the Fourth Proportional to 316,984.53, 437,483.50 and 196,164.73

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Solution

The fourth proportional to 316,984.53, 437,483.50 and 196,164.73 is: 270,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,984.53 : 437,483.50 = 196,164.73 : x
  2. Step 2: Convert to fraction form
    316,984.53/437,483.50 = 196,164.73/x
  3. Step 3: Cross multiply
    316,984.53x = 437,483.50 × 196,164.73
  4. Step 4: Simplify right side
    316,984.53x = 85,818,832,656.96
  5. Step 5: Solve for x
    x = 85,818,832,656.96/316,984.53
  6. Step 6: Final answer
    x = 270,735.08

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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.