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Finding the Fourth Proportional to 263,166.44, 394,598.50 and 103,054.88

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Solution

The fourth proportional to 263,166.44, 394,598.50 and 103,054.88 is: 154,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,166.44 : 394,598.50 = 103,054.88 : x
  2. Step 2: Convert to fraction form
    263,166.44/394,598.50 = 103,054.88/x
  3. Step 3: Cross multiply
    263,166.44x = 394,598.50 × 103,054.88
  4. Step 4: Simplify right side
    263,166.44x = 40,665,301,065.68
  5. Step 5: Solve for x
    x = 40,665,301,065.68/263,166.44
  6. Step 6: Final answer
    x = 154,523.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.