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Finding the Fourth Proportional to 451,771.75, 623,433.81 and 258,167.17

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Solution

The fourth proportional to 451,771.75, 623,433.81 and 258,167.17 is: 356,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,771.75 : 623,433.81 = 258,167.17 : x
  2. Step 2: Convert to fraction form
    451,771.75/623,433.81 = 258,167.17/x
  3. Step 3: Cross multiply
    451,771.75x = 623,433.81 × 258,167.17
  4. Step 4: Simplify right side
    451,771.75x = 160,950,142,410.02
  5. Step 5: Solve for x
    x = 160,950,142,410.02/451,771.75
  6. Step 6: Final answer
    x = 356,264.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.