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Finding the Fourth Proportional to 273,360.65, 409,994.23 and 73,634.32

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Solution

The fourth proportional to 273,360.65, 409,994.23 and 73,634.32 is: 110,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,360.65 : 409,994.23 = 73,634.32 : x
  2. Step 2: Convert to fraction form
    273,360.65/409,994.23 = 73,634.32/x
  3. Step 3: Cross multiply
    273,360.65x = 409,994.23 × 73,634.32
  4. Step 4: Simplify right side
    273,360.65x = 30,189,646,329.97
  5. Step 5: Solve for x
    x = 30,189,646,329.97/273,360.65
  6. Step 6: Final answer
    x = 110,438.89

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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.