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Finding the Fourth Proportional to 300,355.08, 414,502.90 and 166,219.08

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Solution

The fourth proportional to 300,355.08, 414,502.90 and 166,219.08 is: 229,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,355.08 : 414,502.90 = 166,219.08 : x
  2. Step 2: Convert to fraction form
    300,355.08/414,502.90 = 166,219.08/x
  3. Step 3: Cross multiply
    300,355.08x = 414,502.90 × 166,219.08
  4. Step 4: Simplify right side
    300,355.08x = 68,898,290,695.33
  5. Step 5: Solve for x
    x = 68,898,290,695.33/300,355.08
  6. Step 6: Final answer
    x = 229,389.46

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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.