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Finding the Fourth Proportional to 263,653.63, 363,841.88 and 142,794.90

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Solution

The fourth proportional to 263,653.63, 363,841.88 and 142,794.90 is: 197,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,653.63 : 363,841.88 = 142,794.90 : x
  2. Step 2: Convert to fraction form
    263,653.63/363,841.88 = 142,794.90/x
  3. Step 3: Cross multiply
    263,653.63x = 363,841.88 × 142,794.90
  4. Step 4: Simplify right side
    263,653.63x = 51,954,764,156.44
  5. Step 5: Solve for x
    x = 51,954,764,156.44/263,653.63
  6. Step 6: Final answer
    x = 197,056.89

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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.