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Finding the Fourth Proportional to 300,568.57, 414,823.01 and 173,245.07

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Solution

The fourth proportional to 300,568.57, 414,823.01 and 173,245.07 is: 239,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,568.57 : 414,823.01 = 173,245.07 : x
  2. Step 2: Convert to fraction form
    300,568.57/414,823.01 = 173,245.07/x
  3. Step 3: Cross multiply
    300,568.57x = 414,823.01 × 173,245.07
  4. Step 4: Simplify right side
    300,568.57x = 71,866,041,575.89
  5. Step 5: Solve for x
    x = 71,866,041,575.89/300,568.57
  6. Step 6: Final answer
    x = 239,100.32

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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.