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Finding the Fourth Proportional to 293,412.60, 440,118.90 and 273,729.60

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Solution

The fourth proportional to 293,412.60, 440,118.90 and 273,729.60 is: 410,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,412.60 : 440,118.90 = 273,729.60 : x
  2. Step 2: Convert to fraction form
    293,412.60/440,118.90 = 273,729.60/x
  3. Step 3: Cross multiply
    293,412.60x = 440,118.90 × 273,729.60
  4. Step 4: Simplify right side
    293,412.60x = 120,473,570,449.44
  5. Step 5: Solve for x
    x = 120,473,570,449.44/293,412.60
  6. Step 6: Final answer
    x = 410,594.40

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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.