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Finding the Fourth Proportional to 300,568.14, 450,940.05 and 134,317.26

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Solution

The fourth proportional to 300,568.14, 450,940.05 and 134,317.26 is: 201,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,568.14 : 450,940.05 = 134,317.26 : x
  2. Step 2: Convert to fraction form
    300,568.14/450,940.05 = 134,317.26/x
  3. Step 3: Cross multiply
    300,568.14x = 450,940.05 × 134,317.26
  4. Step 4: Simplify right side
    300,568.14x = 60,569,031,940.26
  5. Step 5: Solve for x
    x = 60,569,031,940.26/300,568.14
  6. Step 6: Final answer
    x = 201,515.14

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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.