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Finding the Fourth Proportional to 338,893.12, 467,673.06 and 187,990.12

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Solution

The fourth proportional to 338,893.12, 467,673.06 and 187,990.12 is: 259,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,893.12 : 467,673.06 = 187,990.12 : x
  2. Step 2: Convert to fraction form
    338,893.12/467,673.06 = 187,990.12/x
  3. Step 3: Cross multiply
    338,893.12x = 467,673.06 × 187,990.12
  4. Step 4: Simplify right side
    338,893.12x = 87,917,914,670.17
  5. Step 5: Solve for x
    x = 87,917,914,670.17/338,893.12
  6. Step 6: Final answer
    x = 259,426.67

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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.