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Finding the Fourth Proportional to 302,626.40, 453,939.60 and 201,149.60

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Solution

The fourth proportional to 302,626.40, 453,939.60 and 201,149.60 is: 301,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,626.40 : 453,939.60 = 201,149.60 : x
  2. Step 2: Convert to fraction form
    302,626.40/453,939.60 = 201,149.60/x
  3. Step 3: Cross multiply
    302,626.40x = 453,939.60 × 201,149.60
  4. Step 4: Simplify right side
    302,626.40x = 91,309,768,964.16
  5. Step 5: Solve for x
    x = 91,309,768,964.16/302,626.40
  6. Step 6: Final answer
    x = 301,724.40

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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.