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Finding the Fourth Proportional to 264,039.40, 396,059.10 and 254,708.20

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Solution

The fourth proportional to 264,039.40, 396,059.10 and 254,708.20 is: 382,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,039.40 : 396,059.10 = 254,708.20 : x
  2. Step 2: Convert to fraction form
    264,039.40/396,059.10 = 254,708.20/x
  3. Step 3: Cross multiply
    264,039.40x = 396,059.10 × 254,708.20
  4. Step 4: Simplify right side
    264,039.40x = 100,879,500,454.62
  5. Step 5: Solve for x
    x = 100,879,500,454.62/264,039.40
  6. Step 6: Final answer
    x = 382,062.30

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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.