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Finding the Fourth Proportional to 273,812.40, 410,977.80 and 168,836.40

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Solution

The fourth proportional to 273,812.40, 410,977.80 and 168,836.40 is: 253,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,812.40 : 410,977.80 = 168,836.40 : x
  2. Step 2: Convert to fraction form
    273,812.40/410,977.80 = 168,836.40/x
  3. Step 3: Cross multiply
    273,812.40x = 410,977.80 × 168,836.40
  4. Step 4: Simplify right side
    273,812.40x = 69,388,012,231.92
  5. Step 5: Solve for x
    x = 69,388,012,231.92/273,812.40
  6. Step 6: Final answer
    x = 253,414.43

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1.5x scale

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.