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Finding the Fourth Proportional to 276,005.70, 414,008.55 and 262,883.70

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Solution

The fourth proportional to 276,005.70, 414,008.55 and 262,883.70 is: 394,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,005.70 : 414,008.55 = 262,883.70 : x
  2. Step 2: Convert to fraction form
    276,005.70/414,008.55 = 262,883.70/x
  3. Step 3: Cross multiply
    276,005.70x = 414,008.55 × 262,883.70
  4. Step 4: Simplify right side
    276,005.70x = 108,836,099,455.64
  5. Step 5: Solve for x
    x = 108,836,099,455.64/276,005.70
  6. Step 6: Final answer
    x = 394,325.55

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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.