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Finding the Fourth Proportional to 338,855.88, 467,619.21 and 185,890.16

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Solution

The fourth proportional to 338,855.88, 467,619.21 and 185,890.16 is: 256,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,855.88 : 467,619.21 = 185,890.16 : x
  2. Step 2: Convert to fraction form
    338,855.88/467,619.21 = 185,890.16/x
  3. Step 3: Cross multiply
    338,855.88x = 467,619.21 × 185,890.16
  4. Step 4: Simplify right side
    338,855.88x = 86,925,807,427.88
  5. Step 5: Solve for x
    x = 86,925,807,427.88/338,855.88
  6. Step 6: Final answer
    x = 256,527.37

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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.