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Finding the Fourth Proportional to 294,014.80, 440,147.40 and 194,287.60

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Solution

The fourth proportional to 294,014.80, 440,147.40 and 194,287.60 is: 290,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,014.80 : 440,147.40 = 194,287.60 : x
  2. Step 2: Convert to fraction form
    294,014.80/440,147.40 = 194,287.60/x
  3. Step 3: Cross multiply
    294,014.80x = 440,147.40 × 194,287.60
  4. Step 4: Simplify right side
    294,014.80x = 85,515,181,992.24
  5. Step 5: Solve for x
    x = 85,515,181,992.24/294,014.80
  6. Step 6: Final answer
    x = 290,853.32

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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.