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Finding the Fourth Proportional to 273,381.20, 410,071.80 and 251,262.80

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Solution

The fourth proportional to 273,381.20, 410,071.80 and 251,262.80 is: 376,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,381.20 : 410,071.80 = 251,262.80 : x
  2. Step 2: Convert to fraction form
    273,381.20/410,071.80 = 251,262.80/x
  3. Step 3: Cross multiply
    273,381.20x = 410,071.80 × 251,262.80
  4. Step 4: Simplify right side
    273,381.20x = 103,035,788,669.04
  5. Step 5: Solve for x
    x = 103,035,788,669.04/273,381.20
  6. Step 6: Final answer
    x = 376,894.20

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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.