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Finding the Fourth Proportional to 276,600.40, 414,900.60 and 276,600.40

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Solution

The fourth proportional to 276,600.40, 414,900.60 and 276,600.40 is: 414,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,600.40 : 414,900.60 = 276,600.40 : x
  2. Step 2: Convert to fraction form
    276,600.40/414,900.60 = 276,600.40/x
  3. Step 3: Cross multiply
    276,600.40x = 414,900.60 × 276,600.40
  4. Step 4: Simplify right side
    276,600.40x = 114,761,671,920.24
  5. Step 5: Solve for x
    x = 114,761,671,920.24/276,600.40
  6. Step 6: Final answer
    x = 414,900.60

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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.