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Finding the Fourth Proportional to 328,555.89, 492,759.51 and 150,892.11

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Solution

The fourth proportional to 328,555.89, 492,759.51 and 150,892.11 is: 226,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,555.89 : 492,759.51 = 150,892.11 : x
  2. Step 2: Convert to fraction form
    328,555.89/492,759.51 = 150,892.11/x
  3. Step 3: Cross multiply
    328,555.89x = 492,759.51 × 150,892.11
  4. Step 4: Simplify right side
    328,555.89x = 74,353,522,186.47
  5. Step 5: Solve for x
    x = 74,353,522,186.47/328,555.89
  6. Step 6: Final answer
    x = 226,304.03

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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.