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Finding the Fourth Proportional to 366,995.64, 506,474.46 and 276,188.52

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Solution

The fourth proportional to 366,995.64, 506,474.46 and 276,188.52 is: 381,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,995.64 : 506,474.46 = 276,188.52 : x
  2. Step 2: Convert to fraction form
    366,995.64/506,474.46 = 276,188.52/x
  3. Step 3: Cross multiply
    366,995.64x = 506,474.46 × 276,188.52
  4. Step 4: Simplify right side
    366,995.64x = 139,882,431,525.20
  5. Step 5: Solve for x
    x = 139,882,431,525.20/366,995.64
  6. Step 6: Final answer
    x = 381,155.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.