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Finding the Fourth Proportional to 273,943.96, 411,008.22 and 172,624.37

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Solution

The fourth proportional to 273,943.96, 411,008.22 and 172,624.37 is: 258,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,943.96 : 411,008.22 = 172,624.37 : x
  2. Step 2: Convert to fraction form
    273,943.96/411,008.22 = 172,624.37/x
  3. Step 3: Cross multiply
    273,943.96x = 411,008.22 × 172,624.37
  4. Step 4: Simplify right side
    273,943.96x = 70,950,032,987.28
  5. Step 5: Solve for x
    x = 70,950,032,987.28/273,943.96
  6. Step 6: Final answer
    x = 258,994.70

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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.