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Finding the Fourth Proportional to 285,592.10, 394,160.52 and 182,270.87

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Solution

The fourth proportional to 285,592.10, 394,160.52 and 182,270.87 is: 251,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,592.10 : 394,160.52 = 182,270.87 : x
  2. Step 2: Convert to fraction form
    285,592.10/394,160.52 = 182,270.87/x
  3. Step 3: Cross multiply
    285,592.10x = 394,160.52 × 182,270.87
  4. Step 4: Simplify right side
    285,592.10x = 71,843,980,900.05
  5. Step 5: Solve for x
    x = 71,843,980,900.05/285,592.10
  6. Step 6: Final answer
    x = 251,561.51

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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.