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Finding the Fourth Proportional to 300,646.80, 414,891.68 and 166,510.80

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Solution

The fourth proportional to 300,646.80, 414,891.68 and 166,510.80 is: 229,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,646.80 : 414,891.68 = 166,510.80 : x
  2. Step 2: Convert to fraction form
    300,646.80/414,891.68 = 166,510.80/x
  3. Step 3: Cross multiply
    300,646.80x = 414,891.68 × 166,510.80
  4. Step 4: Simplify right side
    300,646.80x = 69,083,945,550.14
  5. Step 5: Solve for x
    x = 69,083,945,550.14/300,646.80
  6. Step 6: Final answer
    x = 229,784.40

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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.