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Finding the Fourth Proportional to 328,156.80, 492,091.20 and 150,604.80

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Solution

The fourth proportional to 328,156.80, 492,091.20 and 150,604.80 is: 225,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,156.80 : 492,091.20 = 150,604.80 : x
  2. Step 2: Convert to fraction form
    328,156.80/492,091.20 = 150,604.80/x
  3. Step 3: Cross multiply
    328,156.80x = 492,091.20 × 150,604.80
  4. Step 4: Simplify right side
    328,156.80x = 74,111,296,757.76
  5. Step 5: Solve for x
    x = 74,111,296,757.76/328,156.80
  6. Step 6: Final answer
    x = 225,841.11

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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.