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Finding the Fourth Proportional to 276,676.83, 381,828.24 and 169,213.14

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Solution

The fourth proportional to 276,676.83, 381,828.24 and 169,213.14 is: 233,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,676.83 : 381,828.24 = 169,213.14 : x
  2. Step 2: Convert to fraction form
    276,676.83/381,828.24 = 169,213.14/x
  3. Step 3: Cross multiply
    276,676.83x = 381,828.24 × 169,213.14
  4. Step 4: Simplify right side
    276,676.83x = 64,610,355,431.07
  5. Step 5: Solve for x
    x = 64,610,355,431.07/276,676.83
  6. Step 6: Final answer
    x = 233,522.83

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1.5x scale

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.