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Finding the Fourth Proportional to 235,558.83, 354,619.70 and 214,633.51

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Solution

The fourth proportional to 235,558.83, 354,619.70 and 214,633.51 is: 323,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,558.83 : 354,619.70 = 214,633.51 : x
  2. Step 2: Convert to fraction form
    235,558.83/354,619.70 = 214,633.51/x
  3. Step 3: Cross multiply
    235,558.83x = 354,619.70 × 214,633.51
  4. Step 4: Simplify right side
    235,558.83x = 76,113,270,926.15
  5. Step 5: Solve for x
    x = 76,113,270,926.15/235,558.83
  6. Step 6: Final answer
    x = 323,117.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.