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Finding the Fourth Proportional to 570,910.24, 856,384.80 and 271,236.16

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Solution

The fourth proportional to 570,910.24, 856,384.80 and 271,236.16 is: 406,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,910.24 : 856,384.80 = 271,236.16 : x
  2. Step 2: Convert to fraction form
    570,910.24/856,384.80 = 271,236.16/x
  3. Step 3: Cross multiply
    570,910.24x = 856,384.80 × 271,236.16
  4. Step 4: Simplify right side
    570,910.24x = 232,282,524,634.37
  5. Step 5: Solve for x
    x = 232,282,524,634.37/570,910.24
  6. Step 6: Final answer
    x = 406,863.48

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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.