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Finding the Fourth Proportional to 276,059.70, 414,089.55 and 262,937.70

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Solution

The fourth proportional to 276,059.70, 414,089.55 and 262,937.70 is: 394,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,059.70 : 414,089.55 = 262,937.70 : x
  2. Step 2: Convert to fraction form
    276,059.70/414,089.55 = 262,937.70/x
  3. Step 3: Cross multiply
    276,059.70x = 414,089.55 × 262,937.70
  4. Step 4: Simplify right side
    276,059.70x = 108,879,753,871.04
  5. Step 5: Solve for x
    x = 108,879,753,871.04/276,059.70
  6. Step 6: Final answer
    x = 394,406.55

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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.