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Finding the Fourth Proportional to 466,647.80, 699,453.30 and 256,436.60

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Solution

The fourth proportional to 466,647.80, 699,453.30 and 256,436.60 is: 384,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,647.80 : 699,453.30 = 256,436.60 : x
  2. Step 2: Convert to fraction form
    466,647.80/699,453.30 = 256,436.60/x
  3. Step 3: Cross multiply
    466,647.80x = 699,453.30 × 256,436.60
  4. Step 4: Simplify right side
    466,647.80x = 179,365,426,110.78
  5. Step 5: Solve for x
    x = 179,365,426,110.78/466,647.80
  6. Step 6: Final answer
    x = 384,370.02

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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.