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Finding the Fourth Proportional to 300,568.40, 450,527.16 and 195,462.80

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Solution

The fourth proportional to 300,568.40, 450,527.16 and 195,462.80 is: 292,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,568.40 : 450,527.16 = 195,462.80 : x
  2. Step 2: Convert to fraction form
    300,568.40/450,527.16 = 195,462.80/x
  3. Step 3: Cross multiply
    300,568.40x = 450,527.16 × 195,462.80
  4. Step 4: Simplify right side
    300,568.40x = 88,061,300,169.65
  5. Step 5: Solve for x
    x = 88,061,300,169.65/300,568.40
  6. Step 6: Final answer
    x = 292,982.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.