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Finding the Fourth Proportional to 394,597.44, 592,045.20 and 236,935.44

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Solution

The fourth proportional to 394,597.44, 592,045.20 and 236,935.44 is: 355,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,597.44 : 592,045.20 = 236,935.44 : x
  2. Step 2: Convert to fraction form
    394,597.44/592,045.20 = 236,935.44/x
  3. Step 3: Cross multiply
    394,597.44x = 592,045.20 × 236,935.44
  4. Step 4: Simplify right side
    394,597.44x = 140,276,489,961.89
  5. Step 5: Solve for x
    x = 140,276,489,961.89/394,597.44
  6. Step 6: Final answer
    x = 355,492.65

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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.