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Finding the Fourth Proportional to 300,732.96, 451,276.92 and 111,326.28

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Solution

The fourth proportional to 300,732.96, 451,276.92 and 111,326.28 is: 167,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,732.96 : 451,276.92 = 111,326.28 : x
  2. Step 2: Convert to fraction form
    300,732.96/451,276.92 = 111,326.28/x
  3. Step 3: Cross multiply
    300,732.96x = 451,276.92 × 111,326.28
  4. Step 4: Simplify right side
    300,732.96x = 50,238,980,753.46
  5. Step 5: Solve for x
    x = 50,238,980,753.46/300,732.96
  6. Step 6: Final answer
    x = 167,055.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.