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Finding the Fourth Proportional to 300,332.45, 414,417.87 and 179,448.20

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Solution

The fourth proportional to 300,332.45, 414,417.87 and 179,448.20 is: 247,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,332.45 : 414,417.87 = 179,448.20 : x
  2. Step 2: Convert to fraction form
    300,332.45/414,417.87 = 179,448.20/x
  3. Step 3: Cross multiply
    300,332.45x = 414,417.87 × 179,448.20
  4. Step 4: Simplify right side
    300,332.45x = 74,366,540,819.33
  5. Step 5: Solve for x
    x = 74,366,540,819.33/300,332.45
  6. Step 6: Final answer
    x = 247,614.07

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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.