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Finding the Fourth Proportional to 394,598.94, 592,047.45 and 236,936.94

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Solution

The fourth proportional to 394,598.94, 592,047.45 and 236,936.94 is: 355,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,598.94 : 592,047.45 = 236,936.94 : x
  2. Step 2: Convert to fraction form
    394,598.94/592,047.45 = 236,936.94/x
  3. Step 3: Cross multiply
    394,598.94x = 592,047.45 × 236,936.94
  4. Step 4: Simplify right side
    394,598.94x = 140,277,911,137.80
  5. Step 5: Solve for x
    x = 140,277,911,137.80/394,598.94
  6. Step 6: Final answer
    x = 355,494.90

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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.