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Finding the Fourth Proportional to 300,934.74, 451,628.91 and 111,573.36

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Solution

The fourth proportional to 300,934.74, 451,628.91 and 111,573.36 is: 167,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,934.74 : 451,628.91 = 111,573.36 : x
  2. Step 2: Convert to fraction form
    300,934.74/451,628.91 = 111,573.36/x
  3. Step 3: Cross multiply
    300,934.74x = 451,628.91 × 111,573.36
  4. Step 4: Simplify right side
    300,934.74x = 50,389,754,961.84
  5. Step 5: Solve for x
    x = 50,389,754,961.84/300,934.74
  6. Step 6: Final answer
    x = 167,444.13

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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.