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Finding the Fourth Proportional to 235,842.06, 325,664.31 and 228,216.12

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Solution

The fourth proportional to 235,842.06, 325,664.31 and 228,216.12 is: 315,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,842.06 : 325,664.31 = 228,216.12 : x
  2. Step 2: Convert to fraction form
    235,842.06/325,664.31 = 228,216.12/x
  3. Step 3: Cross multiply
    235,842.06x = 325,664.31 × 228,216.12
  4. Step 4: Simplify right side
    235,842.06x = 74,321,845,250.68
  5. Step 5: Solve for x
    x = 74,321,845,250.68/235,842.06
  6. Step 6: Final answer
    x = 315,133.97

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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.