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Finding the Fourth Proportional to 968,840, 1,453,493.40 and 303,992

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Solution

The fourth proportional to 968,840, 1,453,493.40 and 303,992 is: 456,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,840 : 1,453,493.40 = 303,992 : x
  2. Step 2: Convert to fraction form
    968,840/1,453,493.40 = 303,992/x
  3. Step 3: Cross multiply
    968,840x = 1,453,493.40 × 303,992
  4. Step 4: Simplify right side
    968,840x = 441,850,365,652.80
  5. Step 5: Solve for x
    x = 441,850,365,652.80/968,840
  6. Step 6: Final answer
    x = 456,061.23

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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.