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Finding the Fourth Proportional to 394,185.84, 591,425.72 and 236,527.44

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Solution

The fourth proportional to 394,185.84, 591,425.72 and 236,527.44 is: 354,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,185.84 : 591,425.72 = 236,527.44 : x
  2. Step 2: Convert to fraction form
    394,185.84/591,425.72 = 236,527.44/x
  3. Step 3: Cross multiply
    394,185.84x = 591,425.72 × 236,527.44
  4. Step 4: Simplify right side
    394,185.84x = 139,888,411,501.76
  5. Step 5: Solve for x
    x = 139,888,411,501.76/394,185.84
  6. Step 6: Final answer
    x = 354,879.34

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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.