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Finding the Fourth Proportional to 235,843.06, 325,665.69 and 228,217.12

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Solution

The fourth proportional to 235,843.06, 325,665.69 and 228,217.12 is: 315,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,843.06 : 325,665.69 = 228,217.12 : x
  2. Step 2: Convert to fraction form
    235,843.06/325,665.69 = 228,217.12/x
  3. Step 3: Cross multiply
    235,843.06x = 325,665.69 × 228,217.12
  4. Step 4: Simplify right side
    235,843.06x = 74,322,485,854.61
  5. Step 5: Solve for x
    x = 74,322,485,854.61/235,843.06
  6. Step 6: Final answer
    x = 315,135.35

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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.