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Finding the Fourth Proportional to 300,846.71, 414,929.31 and 255,674.23

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Solution

The fourth proportional to 300,846.71, 414,929.31 and 255,674.23 is: 352,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,846.71 : 414,929.31 = 255,674.23 : x
  2. Step 2: Convert to fraction form
    300,846.71/414,929.31 = 255,674.23/x
  3. Step 3: Cross multiply
    300,846.71x = 414,929.31 × 255,674.23
  4. Step 4: Simplify right side
    300,846.71x = 106,086,729,764.04
  5. Step 5: Solve for x
    x = 106,086,729,764.04/300,846.71
  6. Step 6: Final answer
    x = 352,627.19

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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.