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Finding the Fourth Proportional to 322,733.80, 484,100.70 and 271,412.20

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Solution

The fourth proportional to 322,733.80, 484,100.70 and 271,412.20 is: 407,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,733.80 : 484,100.70 = 271,412.20 : x
  2. Step 2: Convert to fraction form
    322,733.80/484,100.70 = 271,412.20/x
  3. Step 3: Cross multiply
    322,733.80x = 484,100.70 × 271,412.20
  4. Step 4: Simplify right side
    322,733.80x = 131,390,836,008.54
  5. Step 5: Solve for x
    x = 131,390,836,008.54/322,733.80
  6. Step 6: Final answer
    x = 407,118.30

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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.