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Finding the Fourth Proportional to 554,661.28, 831,481.62 and 301,571.92

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Solution

The fourth proportional to 554,661.28, 831,481.62 and 301,571.92 is: 452,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,661.28 : 831,481.62 = 301,571.92 : x
  2. Step 2: Convert to fraction form
    554,661.28/831,481.62 = 301,571.92/x
  3. Step 3: Cross multiply
    554,661.28x = 831,481.62 × 301,571.92
  4. Step 4: Simplify right side
    554,661.28x = 250,751,508,588.11
  5. Step 5: Solve for x
    x = 250,751,508,588.11/554,661.28
  6. Step 6: Final answer
    x = 452,080.43

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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.