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Finding the Fourth Proportional to 483,066.96, 666,653.22 and 268,207.03

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Solution

The fourth proportional to 483,066.96, 666,653.22 and 268,207.03 is: 370,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,066.96 : 666,653.22 = 268,207.03 : x
  2. Step 2: Convert to fraction form
    483,066.96/666,653.22 = 268,207.03/x
  3. Step 3: Cross multiply
    483,066.96x = 666,653.22 × 268,207.03
  4. Step 4: Simplify right side
    483,066.96x = 178,801,081,009.45
  5. Step 5: Solve for x
    x = 178,801,081,009.45/483,066.96
  6. Step 6: Final answer
    x = 370,137.26

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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.