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Finding the Fourth Proportional to 328,557.39, 492,761.76 and 150,893.61

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Solution

The fourth proportional to 328,557.39, 492,761.76 and 150,893.61 is: 226,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,557.39 : 492,761.76 = 150,893.61 : x
  2. Step 2: Convert to fraction form
    328,557.39/492,761.76 = 150,893.61/x
  3. Step 3: Cross multiply
    328,557.39x = 492,761.76 × 150,893.61
  4. Step 4: Simplify right side
    328,557.39x = 74,354,600,836.35
  5. Step 5: Solve for x
    x = 74,354,600,836.35/328,557.39
  6. Step 6: Final answer
    x = 226,306.28

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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.