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Finding the Fourth Proportional to 300,346.52, 414,437.20 and 179,462.28

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Solution

The fourth proportional to 300,346.52, 414,437.20 and 179,462.28 is: 247,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,346.52 : 414,437.20 = 179,462.28 : x
  2. Step 2: Convert to fraction form
    300,346.52/414,437.20 = 179,462.28/x
  3. Step 3: Cross multiply
    300,346.52x = 414,437.20 × 179,462.28
  4. Step 4: Simplify right side
    300,346.52x = 74,375,844,828.82
  5. Step 5: Solve for x
    x = 74,375,844,828.82/300,346.52
  6. Step 6: Final answer
    x = 247,633.45

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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.