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Finding the Fourth Proportional to 285,597.47, 394,167.92 and 182,276.25

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Solution

The fourth proportional to 285,597.47, 394,167.92 and 182,276.25 is: 251,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,597.47 : 394,167.92 = 182,276.25 : x
  2. Step 2: Convert to fraction form
    285,597.47/394,167.92 = 182,276.25/x
  3. Step 3: Cross multiply
    285,597.47x = 394,167.92 × 182,276.25
  4. Step 4: Simplify right side
    285,597.47x = 71,847,449,416.52
  5. Step 5: Solve for x
    x = 71,847,449,416.52/285,597.47
  6. Step 6: Final answer
    x = 251,568.93

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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.