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Finding the Fourth Proportional to 300,332.70, 414,418.23 and 179,448.45

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Solution

The fourth proportional to 300,332.70, 414,418.23 and 179,448.45 is: 247,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,332.70 : 414,418.23 = 179,448.45 : x
  2. Step 2: Convert to fraction form
    300,332.70/414,418.23 = 179,448.45/x
  3. Step 3: Cross multiply
    300,332.70x = 414,418.23 × 179,448.45
  4. Step 4: Simplify right side
    300,332.70x = 74,366,709,025.24
  5. Step 5: Solve for x
    x = 74,366,709,025.24/300,332.70
  6. Step 6: Final answer
    x = 247,614.43

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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.