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Finding the Fourth Proportional to 260,940.96, 359,297.78 and 228,489.93

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Solution

The fourth proportional to 260,940.96, 359,297.78 and 228,489.93 is: 314,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,940.96 : 359,297.78 = 228,489.93 : x
  2. Step 2: Convert to fraction form
    260,940.96/359,297.78 = 228,489.93/x
  3. Step 3: Cross multiply
    260,940.96x = 359,297.78 × 228,489.93
  4. Step 4: Simplify right side
    260,940.96x = 82,095,923,458.91
  5. Step 5: Solve for x
    x = 82,095,923,458.91/260,940.96
  6. Step 6: Final answer
    x = 314,614.94

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1.5x scale

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.