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Finding the Fourth Proportional to 300,530.50, 414,732.09 and 166,403.14

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Solution

The fourth proportional to 300,530.50, 414,732.09 and 166,403.14 is: 229,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,530.50 : 414,732.09 = 166,403.14 : x
  2. Step 2: Convert to fraction form
    300,530.50/414,732.09 = 166,403.14/x
  3. Step 3: Cross multiply
    300,530.50x = 414,732.09 × 166,403.14
  4. Step 4: Simplify right side
    300,530.50x = 69,012,722,034.76
  5. Step 5: Solve for x
    x = 69,012,722,034.76/300,530.50
  6. Step 6: Final answer
    x = 229,636.33

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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.