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Finding the Fourth Proportional to 273,644.80, 410,467.20 and 256,019.20

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Solution

The fourth proportional to 273,644.80, 410,467.20 and 256,019.20 is: 384,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,644.80 : 410,467.20 = 256,019.20 : x
  2. Step 2: Convert to fraction form
    273,644.80/410,467.20 = 256,019.20/x
  3. Step 3: Cross multiply
    273,644.80x = 410,467.20 × 256,019.20
  4. Step 4: Simplify right side
    273,644.80x = 105,087,484,170.24
  5. Step 5: Solve for x
    x = 105,087,484,170.24/273,644.80
  6. Step 6: Final answer
    x = 384,028.80

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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.