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Finding the Fourth Proportional to 338,633.69, 467,335.48 and 187,730.69

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Solution

The fourth proportional to 338,633.69, 467,335.48 and 187,730.69 is: 259,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,633.69 : 467,335.48 = 187,730.69 : x
  2. Step 2: Convert to fraction form
    338,633.69/467,335.48 = 187,730.69/x
  3. Step 3: Cross multiply
    338,633.69x = 467,335.48 × 187,730.69
  4. Step 4: Simplify right side
    338,633.69x = 87,733,212,121.88
  5. Step 5: Solve for x
    x = 87,733,212,121.88/338,633.69
  6. Step 6: Final answer
    x = 259,079.99

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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.