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Finding the Fourth Proportional to 300,537.56, 414,741.84 and 173,221.36

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Solution

The fourth proportional to 300,537.56, 414,741.84 and 173,221.36 is: 239,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,537.56 : 414,741.84 = 173,221.36 : x
  2. Step 2: Convert to fraction form
    300,537.56/414,741.84 = 173,221.36/x
  3. Step 3: Cross multiply
    300,537.56x = 414,741.84 × 173,221.36
  4. Step 4: Simplify right side
    300,537.56x = 71,842,143,887.27
  5. Step 5: Solve for x
    x = 71,842,143,887.27/300,537.56
  6. Step 6: Final answer
    x = 239,045.47

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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.