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Finding the Fourth Proportional to 392,585.52, 541,784.52 and 222,835.44

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Solution

The fourth proportional to 392,585.52, 541,784.52 and 222,835.44 is: 307,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,585.52 : 541,784.52 = 222,835.44 : x
  2. Step 2: Convert to fraction form
    392,585.52/541,784.52 = 222,835.44/x
  3. Step 3: Cross multiply
    392,585.52x = 541,784.52 × 222,835.44
  4. Step 4: Simplify right side
    392,585.52x = 120,728,791,899.39
  5. Step 5: Solve for x
    x = 120,728,791,899.39/392,585.52
  6. Step 6: Final answer
    x = 307,522.27

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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.