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Finding the Fourth Proportional to 481,755.60, 722,892.60 and 201,301.20

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Solution

The fourth proportional to 481,755.60, 722,892.60 and 201,301.20 is: 302,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,755.60 : 722,892.60 = 201,301.20 : x
  2. Step 2: Convert to fraction form
    481,755.60/722,892.60 = 201,301.20/x
  3. Step 3: Cross multiply
    481,755.60x = 722,892.60 × 201,301.20
  4. Step 4: Simplify right side
    481,755.60x = 145,519,147,851.12
  5. Step 5: Solve for x
    x = 145,519,147,851.12/481,755.60
  6. Step 6: Final answer
    x = 302,060.11

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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.