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Finding the Fourth Proportional to 409,252.56, 613,062.36 and 325,155.12

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Solution

The fourth proportional to 409,252.56, 613,062.36 and 325,155.12 is: 487,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,252.56 : 613,062.36 = 325,155.12 : x
  2. Step 2: Convert to fraction form
    409,252.56/613,062.36 = 325,155.12/x
  3. Step 3: Cross multiply
    409,252.56x = 613,062.36 × 325,155.12
  4. Step 4: Simplify right side
    409,252.56x = 199,340,365,233.28
  5. Step 5: Solve for x
    x = 199,340,365,233.28/409,252.56
  6. Step 6: Final answer
    x = 487,083.98

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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.