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Finding the Fourth Proportional to 492,600.52, 679,788.82 and 266,245.32

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Solution

The fourth proportional to 492,600.52, 679,788.82 and 266,245.32 is: 367,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,600.52 : 679,788.82 = 266,245.32 : x
  2. Step 2: Convert to fraction form
    492,600.52/679,788.82 = 266,245.32/x
  3. Step 3: Cross multiply
    492,600.52x = 679,788.82 × 266,245.32
  4. Step 4: Simplify right side
    492,600.52x = 180,990,591,913.32
  5. Step 5: Solve for x
    x = 180,990,591,913.32/492,600.52
  6. Step 6: Final answer
    x = 367,418.60

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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.