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Finding the Fourth Proportional to 300,688.80, 414,949.68 and 166,552.80

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Solution

The fourth proportional to 300,688.80, 414,949.68 and 166,552.80 is: 229,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,688.80 : 414,949.68 = 166,552.80 : x
  2. Step 2: Convert to fraction form
    300,688.80/414,949.68 = 166,552.80/x
  3. Step 3: Cross multiply
    300,688.80x = 414,949.68 × 166,552.80
  4. Step 4: Simplify right side
    300,688.80x = 69,111,031,063.10
  5. Step 5: Solve for x
    x = 69,111,031,063.10/300,688.80
  6. Step 6: Final answer
    x = 229,842.39

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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.