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Finding the Fourth Proportional to 351,034.88, 527,692.80 and 281,672.96

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Solution

The fourth proportional to 351,034.88, 527,692.80 and 281,672.96 is: 423,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,034.88 : 527,692.80 = 281,672.96 : x
  2. Step 2: Convert to fraction form
    351,034.88/527,692.80 = 281,672.96/x
  3. Step 3: Cross multiply
    351,034.88x = 527,692.80 × 281,672.96
  4. Step 4: Simplify right side
    351,034.88x = 148,636,792,946.69
  5. Step 5: Solve for x
    x = 148,636,792,946.69/351,034.88
  6. Step 6: Final answer
    x = 423,424.57

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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.