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Finding the Fourth Proportional to 1,093,353, 1,640,292.56 and 345,399

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Solution

The fourth proportional to 1,093,353, 1,640,292.56 and 345,399 is: 518,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,353 : 1,640,292.56 = 345,399 : x
  2. Step 2: Convert to fraction form
    1,093,353/1,640,292.56 = 345,399/x
  3. Step 3: Cross multiply
    1,093,353x = 1,640,292.56 × 345,399
  4. Step 4: Simplify right side
    1,093,353x = 566,555,408,204.45
  5. Step 5: Solve for x
    x = 566,555,408,204.45/1,093,353
  6. Step 6: Final answer
    x = 518,181.60

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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.