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Finding the Fourth Proportional to 235,610.69, 325,338.96 and 218,515.37

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Solution

The fourth proportional to 235,610.69, 325,338.96 and 218,515.37 is: 301,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,610.69 : 325,338.96 = 218,515.37 : x
  2. Step 2: Convert to fraction form
    235,610.69/325,338.96 = 218,515.37/x
  3. Step 3: Cross multiply
    235,610.69x = 325,338.96 × 218,515.37
  4. Step 4: Simplify right side
    235,610.69x = 71,091,563,219.82
  5. Step 5: Solve for x
    x = 71,091,563,219.82/235,610.69
  6. Step 6: Final answer
    x = 301,733.18

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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.