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Finding the Fourth Proportional to 555,579.03, 766,692.36 and 337,715.55

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Solution

The fourth proportional to 555,579.03, 766,692.36 and 337,715.55 is: 466,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,579.03 : 766,692.36 = 337,715.55 : x
  2. Step 2: Convert to fraction form
    555,579.03/766,692.36 = 337,715.55/x
  3. Step 3: Cross multiply
    555,579.03x = 766,692.36 × 337,715.55
  4. Step 4: Simplify right side
    555,579.03x = 258,923,932,038.20
  5. Step 5: Solve for x
    x = 258,923,932,038.20/555,579.03
  6. Step 6: Final answer
    x = 466,043.39

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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.