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Finding the Fourth Proportional to 357,357.97, 493,150.57 and 196,211.62

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Solution

The fourth proportional to 357,357.97, 493,150.57 and 196,211.62 is: 270,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,357.97 : 493,150.57 = 196,211.62 : x
  2. Step 2: Convert to fraction form
    357,357.97/493,150.57 = 196,211.62/x
  3. Step 3: Cross multiply
    357,357.97x = 493,150.57 × 196,211.62
  4. Step 4: Simplify right side
    357,357.97x = 96,761,872,243.62
  5. Step 5: Solve for x
    x = 96,761,872,243.62/357,357.97
  6. Step 6: Final answer
    x = 270,770.15

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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.