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Finding the Fourth Proportional to 326,003.33, 488,882.16 and 136,476.80

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Solution

The fourth proportional to 326,003.33, 488,882.16 and 136,476.80 is: 204,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,003.33 : 488,882.16 = 136,476.80 : x
  2. Step 2: Convert to fraction form
    326,003.33/488,882.16 = 136,476.80/x
  3. Step 3: Cross multiply
    326,003.33x = 488,882.16 × 136,476.80
  4. Step 4: Simplify right side
    326,003.33x = 66,721,072,773.89
  5. Step 5: Solve for x
    x = 66,721,072,773.89/326,003.33
  6. Step 6: Final answer
    x = 204,663.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.