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Finding the Fourth Proportional to 300,743.32, 451,114.16 and 134,414.68

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Solution

The fourth proportional to 300,743.32, 451,114.16 and 134,414.68 is: 201,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,743.32 : 451,114.16 = 134,414.68 : x
  2. Step 2: Convert to fraction form
    300,743.32/451,114.16 = 134,414.68/x
  3. Step 3: Cross multiply
    300,743.32x = 451,114.16 × 134,414.68
  4. Step 4: Simplify right side
    300,743.32x = 60,636,365,459.87
  5. Step 5: Solve for x
    x = 60,636,365,459.87/300,743.32
  6. Step 6: Final answer
    x = 201,621.65

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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.