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Finding the Fourth Proportional to 301,959.40, 453,198.30 and 133,738.60

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Solution

The fourth proportional to 301,959.40, 453,198.30 and 133,738.60 is: 200,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,959.40 : 453,198.30 = 133,738.60 : x
  2. Step 2: Convert to fraction form
    301,959.40/453,198.30 = 133,738.60/x
  3. Step 3: Cross multiply
    301,959.40x = 453,198.30 × 133,738.60
  4. Step 4: Simplify right side
    301,959.40x = 60,610,106,164.38
  5. Step 5: Solve for x
    x = 60,610,106,164.38/301,959.40
  6. Step 6: Final answer
    x = 200,722.70

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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.