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Finding the Fourth Proportional to 228,684.48, 340,258.80 and 222,970.56

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Solution

The fourth proportional to 228,684.48, 340,258.80 and 222,970.56 is: 331,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,684.48 : 340,258.80 = 222,970.56 : x
  2. Step 2: Convert to fraction form
    228,684.48/340,258.80 = 222,970.56/x
  3. Step 3: Cross multiply
    228,684.48x = 340,258.80 × 222,970.56
  4. Step 4: Simplify right side
    228,684.48x = 75,867,695,180.93
  5. Step 5: Solve for x
    x = 75,867,695,180.93/228,684.48
  6. Step 6: Final answer
    x = 331,757.08

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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.