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Finding the Fourth Proportional to 300,043.32, 414,066.99 and 170,979.03

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Solution

The fourth proportional to 300,043.32, 414,066.99 and 170,979.03 is: 235,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,043.32 : 414,066.99 = 170,979.03 : x
  2. Step 2: Convert to fraction form
    300,043.32/414,066.99 = 170,979.03/x
  3. Step 3: Cross multiply
    300,043.32x = 414,066.99 × 170,979.03
  4. Step 4: Simplify right side
    300,043.32x = 70,796,772,333.56
  5. Step 5: Solve for x
    x = 70,796,772,333.56/300,043.32
  6. Step 6: Final answer
    x = 235,955.17

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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.