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Finding the Fourth Proportional to 300,459.60, 414,606.12 and 179,576.88

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Solution

The fourth proportional to 300,459.60, 414,606.12 and 179,576.88 is: 247,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,459.60 : 414,606.12 = 179,576.88 : x
  2. Step 2: Convert to fraction form
    300,459.60/414,606.12 = 179,576.88/x
  3. Step 3: Cross multiply
    300,459.60x = 414,606.12 × 179,576.88
  4. Step 4: Simplify right side
    300,459.60x = 74,453,673,458.51
  5. Step 5: Solve for x
    x = 74,453,673,458.51/300,459.60
  6. Step 6: Final answer
    x = 247,799.28

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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.