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Finding the Fourth Proportional to 211,452.40, 317,232.60 and 149,244.40

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Solution

The fourth proportional to 211,452.40, 317,232.60 and 149,244.40 is: 223,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,452.40 : 317,232.60 = 149,244.40 : x
  2. Step 2: Convert to fraction form
    211,452.40/317,232.60 = 149,244.40/x
  3. Step 3: Cross multiply
    211,452.40x = 317,232.60 × 149,244.40
  4. Step 4: Simplify right side
    211,452.40x = 47,345,189,047.44
  5. Step 5: Solve for x
    x = 47,345,189,047.44/211,452.40
  6. Step 6: Final answer
    x = 223,904.71

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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.