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Finding the Fourth Proportional to 612,692.74, 845,511.28 and 337,044.66

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Solution

The fourth proportional to 612,692.74, 845,511.28 and 337,044.66 is: 465,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,692.74 : 845,511.28 = 337,044.66 : x
  2. Step 2: Convert to fraction form
    612,692.74/845,511.28 = 337,044.66/x
  3. Step 3: Cross multiply
    612,692.74x = 845,511.28 × 337,044.66
  4. Step 4: Simplify right side
    612,692.74x = 284,975,061,893.77
  5. Step 5: Solve for x
    x = 284,975,061,893.77/612,692.74
  6. Step 6: Final answer
    x = 465,119.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.