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Finding the Fourth Proportional to 276,465.15, 414,697.73 and 136,497.15

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Solution

The fourth proportional to 276,465.15, 414,697.73 and 136,497.15 is: 204,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,465.15 : 414,697.73 = 136,497.15 : x
  2. Step 2: Convert to fraction form
    276,465.15/414,697.73 = 136,497.15/x
  3. Step 3: Cross multiply
    276,465.15x = 414,697.73 × 136,497.15
  4. Step 4: Simplify right side
    276,465.15x = 56,605,057,573.98
  5. Step 5: Solve for x
    x = 56,605,057,573.98/276,465.15
  6. Step 6: Final answer
    x = 204,745.73

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1.5x scale

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.