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Finding the Fourth Proportional to 395,402.40, 593,103.60 and 195,753.60

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Solution

The fourth proportional to 395,402.40, 593,103.60 and 195,753.60 is: 293,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,402.40 : 593,103.60 = 195,753.60 : x
  2. Step 2: Convert to fraction form
    395,402.40/593,103.60 = 195,753.60/x
  3. Step 3: Cross multiply
    395,402.40x = 593,103.60 × 195,753.60
  4. Step 4: Simplify right side
    395,402.40x = 116,102,164,872.96
  5. Step 5: Solve for x
    x = 116,102,164,872.96/395,402.40
  6. Step 6: Final answer
    x = 293,630.40

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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.