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Finding the Fourth Proportional to 338,559.75, 467,212.52 and 187,656.75

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Solution

The fourth proportional to 338,559.75, 467,212.52 and 187,656.75 is: 258,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,559.75 : 467,212.52 = 187,656.75 : x
  2. Step 2: Convert to fraction form
    338,559.75/467,212.52 = 187,656.75/x
  3. Step 3: Cross multiply
    338,559.75x = 467,212.52 × 187,656.75
  4. Step 4: Simplify right side
    338,559.75x = 87,675,583,531.65
  5. Step 5: Solve for x
    x = 87,675,583,531.65/338,559.75
  6. Step 6: Final answer
    x = 258,966.35

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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.