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Finding the Fourth Proportional to 354,236.73, 488,828.24 and 201,253.69

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Solution

The fourth proportional to 354,236.73, 488,828.24 and 201,253.69 is: 277,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,236.73 : 488,828.24 = 201,253.69 : x
  2. Step 2: Convert to fraction form
    354,236.73/488,828.24 = 201,253.69/x
  3. Step 3: Cross multiply
    354,236.73x = 488,828.24 × 201,253.69
  4. Step 4: Simplify right side
    354,236.73x = 98,378,484,686.02
  5. Step 5: Solve for x
    x = 98,378,484,686.02/354,236.73
  6. Step 6: Final answer
    x = 277,719.61

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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.