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Finding the Fourth Proportional to 301,964.40, 453,205.80 and 133,743.60

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Solution

The fourth proportional to 301,964.40, 453,205.80 and 133,743.60 is: 200,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,964.40 : 453,205.80 = 133,743.60 : x
  2. Step 2: Convert to fraction form
    301,964.40/453,205.80 = 133,743.60/x
  3. Step 3: Cross multiply
    301,964.40x = 453,205.80 × 133,743.60
  4. Step 4: Simplify right side
    301,964.40x = 60,613,375,232.88
  5. Step 5: Solve for x
    x = 60,613,375,232.88/301,964.40
  6. Step 6: Final answer
    x = 200,730.20

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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.