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Finding the Fourth Proportional to 276,685.10, 415,027.65 and 244,025.90

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Solution

The fourth proportional to 276,685.10, 415,027.65 and 244,025.90 is: 366,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,685.10 : 415,027.65 = 244,025.90 : x
  2. Step 2: Convert to fraction form
    276,685.10/415,027.65 = 244,025.90/x
  3. Step 3: Cross multiply
    276,685.10x = 415,027.65 × 244,025.90
  4. Step 4: Simplify right side
    276,685.10x = 101,277,495,816.14
  5. Step 5: Solve for x
    x = 101,277,495,816.14/276,685.10
  6. Step 6: Final answer
    x = 366,038.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.