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Finding the Fourth Proportional to 300,298.88, 414,342.84 and 179,479.28

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Solution

The fourth proportional to 300,298.88, 414,342.84 and 179,479.28 is: 247,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,298.88 : 414,342.84 = 179,479.28 : x
  2. Step 2: Convert to fraction form
    300,298.88/414,342.84 = 179,479.28/x
  3. Step 3: Cross multiply
    300,298.88x = 414,342.84 × 179,479.28
  4. Step 4: Simplify right side
    300,298.88x = 74,365,954,596.36
  5. Step 5: Solve for x
    x = 74,365,954,596.36/300,298.88
  6. Step 6: Final answer
    x = 247,639.80

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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.