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Finding the Fourth Proportional to 338,653.72, 467,363.09 and 187,750.72

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Solution

The fourth proportional to 338,653.72, 467,363.09 and 187,750.72 is: 259,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,653.72 : 467,363.09 = 187,750.72 : x
  2. Step 2: Convert to fraction form
    338,653.72/467,363.09 = 187,750.72/x
  3. Step 3: Cross multiply
    338,653.72x = 467,363.09 × 187,750.72
  4. Step 4: Simplify right side
    338,653.72x = 87,747,756,648.92
  5. Step 5: Solve for x
    x = 87,747,756,648.92/338,653.72
  6. Step 6: Final answer
    x = 259,107.61

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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.