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Finding the Fourth Proportional to 544,878.72, 751,968.57 and 303,161.81

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Solution

The fourth proportional to 544,878.72, 751,968.57 and 303,161.81 is: 418,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.72 : 751,968.57 = 303,161.81 : x
  2. Step 2: Convert to fraction form
    544,878.72/751,968.57 = 303,161.81/x
  3. Step 3: Cross multiply
    544,878.72x = 751,968.57 × 303,161.81
  4. Step 4: Simplify right side
    544,878.72x = 227,968,148,984.47
  5. Step 5: Solve for x
    x = 227,968,148,984.47/544,878.72
  6. Step 6: Final answer
    x = 418,383.29

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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.