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Finding the Fourth Proportional to 773,606, 1,160,383.16 and 318,181.48

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Solution

The fourth proportional to 773,606, 1,160,383.16 and 318,181.48 is: 477,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,606 : 1,160,383.16 = 318,181.48 : x
  2. Step 2: Convert to fraction form
    773,606/1,160,383.16 = 318,181.48/x
  3. Step 3: Cross multiply
    773,606x = 1,160,383.16 × 318,181.48
  4. Step 4: Simplify right side
    773,606x = 369,212,431,215.88
  5. Step 5: Solve for x
    x = 369,212,431,215.88/773,606
  6. Step 6: Final answer
    x = 477,261.59

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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.