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Finding the Fourth Proportional to 676,162, 933,103.56 and 374,375.44

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Solution

The fourth proportional to 676,162, 933,103.56 and 374,375.44 is: 516,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,162 : 933,103.56 = 374,375.44 : x
  2. Step 2: Convert to fraction form
    676,162/933,103.56 = 374,375.44/x
  3. Step 3: Cross multiply
    676,162x = 933,103.56 × 374,375.44
  4. Step 4: Simplify right side
    676,162x = 349,331,055,840.57
  5. Step 5: Solve for x
    x = 349,331,055,840.57/676,162
  6. Step 6: Final answer
    x = 516,638.11

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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.