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Finding the Fourth Proportional to 300,354.08, 414,501.52 and 166,218.08

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Solution

The fourth proportional to 300,354.08, 414,501.52 and 166,218.08 is: 229,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,354.08 : 414,501.52 = 166,218.08 : x
  2. Step 2: Convert to fraction form
    300,354.08/414,501.52 = 166,218.08/x
  3. Step 3: Cross multiply
    300,354.08x = 414,501.52 × 166,218.08
  4. Step 4: Simplify right side
    300,354.08x = 68,897,646,811.48
  5. Step 5: Solve for x
    x = 68,897,646,811.48/300,354.08
  6. Step 6: Final answer
    x = 229,388.08

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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.