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Finding the Fourth Proportional to 318,201.60, 439,130.88 and 182,257.92

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Solution

The fourth proportional to 318,201.60, 439,130.88 and 182,257.92 is: 251,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,201.60 : 439,130.88 = 182,257.92 : x
  2. Step 2: Convert to fraction form
    318,201.60/439,130.88 = 182,257.92/x
  3. Step 3: Cross multiply
    318,201.60x = 439,130.88 × 182,257.92
  4. Step 4: Simplify right side
    318,201.60x = 80,035,080,796.57
  5. Step 5: Solve for x
    x = 80,035,080,796.57/318,201.60
  6. Step 6: Final answer
    x = 251,523.19

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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.