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Finding the Fourth Proportional to 481,944.60, 722,916.90 and 403,795.80

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Solution

The fourth proportional to 481,944.60, 722,916.90 and 403,795.80 is: 605,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,944.60 : 722,916.90 = 403,795.80 : x
  2. Step 2: Convert to fraction form
    481,944.60/722,916.90 = 403,795.80/x
  3. Step 3: Cross multiply
    481,944.60x = 722,916.90 × 403,795.80
  4. Step 4: Simplify right side
    481,944.60x = 291,910,807,969.02
  5. Step 5: Solve for x
    x = 291,910,807,969.02/481,944.60
  6. Step 6: Final answer
    x = 605,693.70

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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.