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Finding the Fourth Proportional to 554,846.84, 765,688.63 and 300,198.02

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Solution

The fourth proportional to 554,846.84, 765,688.63 and 300,198.02 is: 414,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,846.84 : 765,688.63 = 300,198.02 : x
  2. Step 2: Convert to fraction form
    554,846.84/765,688.63 = 300,198.02/x
  3. Step 3: Cross multiply
    554,846.84x = 765,688.63 × 300,198.02
  4. Step 4: Simplify right side
    554,846.84x = 229,858,214,373.41
  5. Step 5: Solve for x
    x = 229,858,214,373.41/554,846.84
  6. Step 6: Final answer
    x = 414,273.27

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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.