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Finding the Fourth Proportional to 463,059.54, 639,121.46 and 301,626.54

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Solution

The fourth proportional to 463,059.54, 639,121.46 and 301,626.54 is: 416,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,059.54 : 639,121.46 = 301,626.54 : x
  2. Step 2: Convert to fraction form
    463,059.54/639,121.46 = 301,626.54/x
  3. Step 3: Cross multiply
    463,059.54x = 639,121.46 × 301,626.54
  4. Step 4: Simplify right side
    463,059.54x = 192,775,993,111.42
  5. Step 5: Solve for x
    x = 192,775,993,111.42/463,059.54
  6. Step 6: Final answer
    x = 416,309.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.