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Finding the Fourth Proportional to 273,505.40, 410,079.90 and 245,511.80

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Solution

The fourth proportional to 273,505.40, 410,079.90 and 245,511.80 is: 368,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,505.40 : 410,079.90 = 245,511.80 : x
  2. Step 2: Convert to fraction form
    273,505.40/410,079.90 = 245,511.80/x
  3. Step 3: Cross multiply
    273,505.40x = 410,079.90 × 245,511.80
  4. Step 4: Simplify right side
    273,505.40x = 100,679,454,392.82
  5. Step 5: Solve for x
    x = 100,679,454,392.82/273,505.40
  6. Step 6: Final answer
    x = 368,107.74

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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.