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Finding the Fourth Proportional to 300,212.72, 414,225.73 and 179,330.34

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Solution

The fourth proportional to 300,212.72, 414,225.73 and 179,330.34 is: 247,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,212.72 : 414,225.73 = 179,330.34 : x
  2. Step 2: Convert to fraction form
    300,212.72/414,225.73 = 179,330.34/x
  3. Step 3: Cross multiply
    300,212.72x = 414,225.73 × 179,330.34
  4. Step 4: Simplify right side
    300,212.72x = 74,283,240,997.65
  5. Step 5: Solve for x
    x = 74,283,240,997.65/300,212.72
  6. Step 6: Final answer
    x = 247,435.36

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1.5x scale

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.