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Finding the Fourth Proportional to 263,448.84, 363,568.21 and 161,454.60

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Solution

The fourth proportional to 263,448.84, 363,568.21 and 161,454.60 is: 222,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,448.84 : 363,568.21 = 161,454.60 : x
  2. Step 2: Convert to fraction form
    263,448.84/363,568.21 = 161,454.60/x
  3. Step 3: Cross multiply
    263,448.84x = 363,568.21 × 161,454.60
  4. Step 4: Simplify right side
    263,448.84x = 58,699,759,918.27
  5. Step 5: Solve for x
    x = 58,699,759,918.27/263,448.84
  6. Step 6: Final answer
    x = 222,812.75

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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.