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Finding the Fourth Proportional to 328,324.99, 492,450.55 and 88,456.61

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Solution

The fourth proportional to 328,324.99, 492,450.55 and 88,456.61 is: 132,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,324.99 : 492,450.55 = 88,456.61 : x
  2. Step 2: Convert to fraction form
    328,324.99/492,450.55 = 88,456.61/x
  3. Step 3: Cross multiply
    328,324.99x = 492,450.55 × 88,456.61
  4. Step 4: Simplify right side
    328,324.99x = 43,560,506,245.64
  5. Step 5: Solve for x
    x = 43,560,506,245.64/328,324.99
  6. Step 6: Final answer
    x = 132,674.96

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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.