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Finding the Fourth Proportional to 255,840.54, 351,181.34 and 226,913.82

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Solution

The fourth proportional to 255,840.54, 351,181.34 and 226,913.82 is: 311,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,840.54 : 351,181.34 = 226,913.82 : x
  2. Step 2: Convert to fraction form
    255,840.54/351,181.34 = 226,913.82/x
  3. Step 3: Cross multiply
    255,840.54x = 351,181.34 × 226,913.82
  4. Step 4: Simplify right side
    255,840.54x = 79,687,898,237.55
  5. Step 5: Solve for x
    x = 79,687,898,237.55/255,840.54
  6. Step 6: Final answer
    x = 311,474.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.