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Finding the Fourth Proportional to 265,940.70, 366,980.67 and 163,953.60

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Solution

The fourth proportional to 265,940.70, 366,980.67 and 163,953.60 is: 226,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,940.70 : 366,980.67 = 163,953.60 : x
  2. Step 2: Convert to fraction form
    265,940.70/366,980.67 = 163,953.60/x
  3. Step 3: Cross multiply
    265,940.70x = 366,980.67 × 163,953.60
  4. Step 4: Simplify right side
    265,940.70x = 60,167,801,976.91
  5. Step 5: Solve for x
    x = 60,167,801,976.91/265,940.70
  6. Step 6: Final answer
    x = 226,245.18

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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.