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Finding the Fourth Proportional to 328,261.82, 453,001.28 and 177,358.82

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Solution

The fourth proportional to 328,261.82, 453,001.28 and 177,358.82 is: 244,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,261.82 : 453,001.28 = 177,358.82 : x
  2. Step 2: Convert to fraction form
    328,261.82/453,001.28 = 177,358.82/x
  3. Step 3: Cross multiply
    328,261.82x = 453,001.28 × 177,358.82
  4. Step 4: Simplify right side
    328,261.82x = 80,343,769,327.49
  5. Step 5: Solve for x
    x = 80,343,769,327.49/328,261.82
  6. Step 6: Final answer
    x = 244,755.15

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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.