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Finding the Fourth Proportional to 451,983.17, 677,340.97 and 325,026

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Solution

The fourth proportional to 451,983.17, 677,340.97 and 325,026 is: 487,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,983.17 : 677,340.97 = 325,026 : x
  2. Step 2: Convert to fraction form
    451,983.17/677,340.97 = 325,026/x
  3. Step 3: Cross multiply
    451,983.17x = 677,340.97 × 325,026
  4. Step 4: Simplify right side
    451,983.17x = 220,153,425,302.66
  5. Step 5: Solve for x
    x = 220,153,425,302.66/451,983.17
  6. Step 6: Final answer
    x = 487,083.23

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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.