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Finding the Fourth Proportional to 276,777.10, 414,509.55 and 276,777.10

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Solution

The fourth proportional to 276,777.10, 414,509.55 and 276,777.10 is: 414,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,777.10 : 414,509.55 = 276,777.10 : x
  2. Step 2: Convert to fraction form
    276,777.10/414,509.55 = 276,777.10/x
  3. Step 3: Cross multiply
    276,777.10x = 414,509.55 × 276,777.10
  4. Step 4: Simplify right side
    276,777.10x = 114,726,751,171.31
  5. Step 5: Solve for x
    x = 114,726,751,171.31/276,777.10
  6. Step 6: Final answer
    x = 414,509.55

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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.