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Finding the Fourth Proportional to 323,211.87, 484,817.94 and 154,692.54

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Solution

The fourth proportional to 323,211.87, 484,817.94 and 154,692.54 is: 232,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,211.87 : 484,817.94 = 154,692.54 : x
  2. Step 2: Convert to fraction form
    323,211.87/484,817.94 = 154,692.54/x
  3. Step 3: Cross multiply
    323,211.87x = 484,817.94 × 154,692.54
  4. Step 4: Simplify right side
    323,211.87x = 74,997,718,576.17
  5. Step 5: Solve for x
    x = 74,997,718,576.17/323,211.87
  6. Step 6: Final answer
    x = 232,038.87

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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.