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Finding the Fourth Proportional to 394,141.47, 543,926.13 and 241,176.93

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Solution

The fourth proportional to 394,141.47, 543,926.13 and 241,176.93 is: 332,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,141.47 : 543,926.13 = 241,176.93 : x
  2. Step 2: Convert to fraction form
    394,141.47/543,926.13 = 241,176.93/x
  3. Step 3: Cross multiply
    394,141.47x = 543,926.13 × 241,176.93
  4. Step 4: Simplify right side
    394,141.47x = 131,182,434,180.18
  5. Step 5: Solve for x
    x = 131,182,434,180.18/394,141.47
  6. Step 6: Final answer
    x = 332,830.83

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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.