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Finding the Fourth Proportional to 302,452.40, 453,678.60 and 196,164.20

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Solution

The fourth proportional to 302,452.40, 453,678.60 and 196,164.20 is: 294,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,452.40 : 453,678.60 = 196,164.20 : x
  2. Step 2: Convert to fraction form
    302,452.40/453,678.60 = 196,164.20/x
  3. Step 3: Cross multiply
    302,452.40x = 453,678.60 × 196,164.20
  4. Step 4: Simplify right side
    302,452.40x = 88,995,499,626.12
  5. Step 5: Solve for x
    x = 88,995,499,626.12/302,452.40
  6. Step 6: Final answer
    x = 294,246.30

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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.