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Finding the Fourth Proportional to 295,049.54, 440,894.65 and 221,540.27

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Solution

The fourth proportional to 295,049.54, 440,894.65 and 221,540.27 is: 331,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,049.54 : 440,894.65 = 221,540.27 : x
  2. Step 2: Convert to fraction form
    295,049.54/440,894.65 = 221,540.27/x
  3. Step 3: Cross multiply
    295,049.54x = 440,894.65 × 221,540.27
  4. Step 4: Simplify right side
    295,049.54x = 97,675,919,112.97
  5. Step 5: Solve for x
    x = 97,675,919,112.97/295,049.54
  6. Step 6: Final answer
    x = 331,049.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.