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Finding the Fourth Proportional to 357,375.68, 493,178.96 and 196,241.12

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Solution

The fourth proportional to 357,375.68, 493,178.96 and 196,241.12 is: 270,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,375.68 : 493,178.96 = 196,241.12 : x
  2. Step 2: Convert to fraction form
    357,375.68/493,178.96 = 196,241.12/x
  3. Step 3: Cross multiply
    357,375.68x = 493,178.96 × 196,241.12
  4. Step 4: Simplify right side
    357,375.68x = 96,781,991,470.84
  5. Step 5: Solve for x
    x = 96,781,991,470.84/357,375.68
  6. Step 6: Final answer
    x = 270,813.03

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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.