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Finding the Fourth Proportional to 300,044.32, 414,068.37 and 170,980.03

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Solution

The fourth proportional to 300,044.32, 414,068.37 and 170,980.03 is: 235,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,044.32 : 414,068.37 = 170,980.03 : x
  2. Step 2: Convert to fraction form
    300,044.32/414,068.37 = 170,980.03/x
  3. Step 3: Cross multiply
    300,044.32x = 414,068.37 × 170,980.03
  4. Step 4: Simplify right side
    300,044.32x = 70,797,422,324.65
  5. Step 5: Solve for x
    x = 70,797,422,324.65/300,044.32
  6. Step 6: Final answer
    x = 235,956.55

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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.