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Finding the Fourth Proportional to 328,227.16, 492,143.88 and 150,511.54

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Solution

The fourth proportional to 328,227.16, 492,143.88 and 150,511.54 is: 225,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,227.16 : 492,143.88 = 150,511.54 : x
  2. Step 2: Convert to fraction form
    328,227.16/492,143.88 = 150,511.54/x
  3. Step 3: Cross multiply
    328,227.16x = 492,143.88 × 150,511.54
  4. Step 4: Simplify right side
    328,227.16x = 74,073,333,280.38
  5. Step 5: Solve for x
    x = 74,073,333,280.38/328,227.16
  6. Step 6: Final answer
    x = 225,677.04

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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.