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Finding the Fourth Proportional to 338,854.08, 467,618.64 and 187,950.96

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Solution

The fourth proportional to 338,854.08, 467,618.64 and 187,950.96 is: 259,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,854.08 : 467,618.64 = 187,950.96 : x
  2. Step 2: Convert to fraction form
    338,854.08/467,618.64 = 187,950.96/x
  3. Step 3: Cross multiply
    338,854.08x = 467,618.64 × 187,950.96
  4. Step 4: Simplify right side
    338,854.08x = 87,889,372,301.89
  5. Step 5: Solve for x
    x = 87,889,372,301.89/338,854.08
  6. Step 6: Final answer
    x = 259,372.33

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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.