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Finding the Fourth Proportional to 276,124.67, 381,731.10 and 273,598.69

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Solution

The fourth proportional to 276,124.67, 381,731.10 and 273,598.69 is: 378,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,124.67 : 381,731.10 = 273,598.69 : x
  2. Step 2: Convert to fraction form
    276,124.67/381,731.10 = 273,598.69/x
  3. Step 3: Cross multiply
    276,124.67x = 381,731.10 × 273,598.69
  4. Step 4: Simplify right side
    276,124.67x = 104,441,128,892.26
  5. Step 5: Solve for x
    x = 104,441,128,892.26/276,124.67
  6. Step 6: Final answer
    x = 378,239.04

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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.