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Finding the Fourth Proportional to 603,692.71, 905,669.75 and 183,000.31

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Solution

The fourth proportional to 603,692.71, 905,669.75 and 183,000.31 is: 274,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,692.71 : 905,669.75 = 183,000.31 : x
  2. Step 2: Convert to fraction form
    603,692.71/905,669.75 = 183,000.31/x
  3. Step 3: Cross multiply
    603,692.71x = 905,669.75 × 183,000.31
  4. Step 4: Simplify right side
    603,692.71x = 165,737,845,007.62
  5. Step 5: Solve for x
    x = 165,737,845,007.62/603,692.71
  6. Step 6: Final answer
    x = 274,540.08

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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.