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Finding the Fourth Proportional to 344,131.56, 474,953.22 and 247,654.84

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Solution

The fourth proportional to 344,131.56, 474,953.22 and 247,654.84 is: 341,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,131.56 : 474,953.22 = 247,654.84 : x
  2. Step 2: Convert to fraction form
    344,131.56/474,953.22 = 247,654.84/x
  3. Step 3: Cross multiply
    344,131.56x = 474,953.22 × 247,654.84
  4. Step 4: Simplify right side
    344,131.56x = 117,624,463,706.59
  5. Step 5: Solve for x
    x = 117,624,463,706.59/344,131.56
  6. Step 6: Final answer
    x = 341,800.86

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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.