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Finding the Fourth Proportional to 325,572, 490,576.48 and 267,704

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Solution

The fourth proportional to 325,572, 490,576.48 and 267,704 is: 403,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,572 : 490,576.48 = 267,704 : x
  2. Step 2: Convert to fraction form
    325,572/490,576.48 = 267,704/x
  3. Step 3: Cross multiply
    325,572x = 490,576.48 × 267,704
  4. Step 4: Simplify right side
    325,572x = 131,329,286,001.92
  5. Step 5: Solve for x
    x = 131,329,286,001.92/325,572
  6. Step 6: Final answer
    x = 403,380.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.