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Finding the Fourth Proportional to 300,412.97, 414,541.55 and 179,530.19

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Solution

The fourth proportional to 300,412.97, 414,541.55 and 179,530.19 is: 247,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,412.97 : 414,541.55 = 179,530.19 : x
  2. Step 2: Convert to fraction form
    300,412.97/414,541.55 = 179,530.19/x
  3. Step 3: Cross multiply
    300,412.97x = 414,541.55 × 179,530.19
  4. Step 4: Simplify right side
    300,412.97x = 74,422,722,336.74
  5. Step 5: Solve for x
    x = 74,422,722,336.74/300,412.97
  6. Step 6: Final answer
    x = 247,734.72

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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.