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Finding the Fourth Proportional to 300,041.52, 414,057.40 and 170,976.28

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Solution

The fourth proportional to 300,041.52, 414,057.40 and 170,976.28 is: 235,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,041.52 : 414,057.40 = 170,976.28 : x
  2. Step 2: Convert to fraction form
    300,041.52/414,057.40 = 170,976.28/x
  3. Step 3: Cross multiply
    300,041.52x = 414,057.40 × 170,976.28
  4. Step 4: Simplify right side
    300,041.52x = 70,793,993,958.47
  5. Step 5: Solve for x
    x = 70,793,993,958.47/300,041.52
  6. Step 6: Final answer
    x = 235,947.32

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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.