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Finding the Fourth Proportional to 273,994.45, 411,030.40 and 84,470.24

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Solution

The fourth proportional to 273,994.45, 411,030.40 and 84,470.24 is: 126,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,994.45 : 411,030.40 = 84,470.24 : x
  2. Step 2: Convert to fraction form
    273,994.45/411,030.40 = 84,470.24/x
  3. Step 3: Cross multiply
    273,994.45x = 411,030.40 × 84,470.24
  4. Step 4: Simplify right side
    273,994.45x = 34,719,837,510.08
  5. Step 5: Solve for x
    x = 34,719,837,510.08/273,994.45
  6. Step 6: Final answer
    x = 126,717.30

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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.