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Finding the Fourth Proportional to 338,499.25, 467,128.97 and 187,605.97

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Solution

The fourth proportional to 338,499.25, 467,128.97 and 187,605.97 is: 258,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,499.25 : 467,128.97 = 187,605.97 : x
  2. Step 2: Convert to fraction form
    338,499.25/467,128.97 = 187,605.97/x
  3. Step 3: Cross multiply
    338,499.25x = 467,128.97 × 187,605.97
  4. Step 4: Simplify right side
    338,499.25x = 87,636,183,531.95
  5. Step 5: Solve for x
    x = 87,636,183,531.95/338,499.25
  6. Step 6: Final answer
    x = 258,896.24

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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.