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Finding the Fourth Proportional to 328,524.22, 453,362.70 and 177,621.22

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Solution

The fourth proportional to 328,524.22, 453,362.70 and 177,621.22 is: 245,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,524.22 : 453,362.70 = 177,621.22 : x
  2. Step 2: Convert to fraction form
    328,524.22/453,362.70 = 177,621.22/x
  3. Step 3: Cross multiply
    328,524.22x = 453,362.70 × 177,621.22
  4. Step 4: Simplify right side
    328,524.22x = 80,526,835,876.49
  5. Step 5: Solve for x
    x = 80,526,835,876.49/328,524.22
  6. Step 6: Final answer
    x = 245,116.89

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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.