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Finding the Fourth Proportional to 272,660.58, 407,485.89 and 201,733.74

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Solution

The fourth proportional to 272,660.58, 407,485.89 and 201,733.74 is: 301,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,660.58 : 407,485.89 = 201,733.74 : x
  2. Step 2: Convert to fraction form
    272,660.58/407,485.89 = 201,733.74/x
  3. Step 3: Cross multiply
    272,660.58x = 407,485.89 × 201,733.74
  4. Step 4: Simplify right side
    272,660.58x = 82,203,652,586.93
  5. Step 5: Solve for x
    x = 82,203,652,586.93/272,660.58
  6. Step 6: Final answer
    x = 301,487.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.