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Finding the Fourth Proportional to 226,809.37, 312,943.53 and 190,648.27

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Solution

The fourth proportional to 226,809.37, 312,943.53 and 190,648.27 is: 263,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,809.37 : 312,943.53 = 190,648.27 : x
  2. Step 2: Convert to fraction form
    226,809.37/312,943.53 = 190,648.27/x
  3. Step 3: Cross multiply
    226,809.37x = 312,943.53 × 190,648.27
  4. Step 4: Simplify right side
    226,809.37x = 59,662,142,602.19
  5. Step 5: Solve for x
    x = 59,662,142,602.19/226,809.37
  6. Step 6: Final answer
    x = 263,049.73

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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.