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Finding the Fourth Proportional to 570,519.21, 855,920.97 and 171,167.34

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Solution

The fourth proportional to 570,519.21, 855,920.97 and 171,167.34 is: 256,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,519.21 : 855,920.97 = 171,167.34 : x
  2. Step 2: Convert to fraction form
    570,519.21/855,920.97 = 171,167.34/x
  3. Step 3: Cross multiply
    570,519.21x = 855,920.97 × 171,167.34
  4. Step 4: Simplify right side
    570,519.21x = 146,505,715,685.12
  5. Step 5: Solve for x
    x = 146,505,715,685.12/570,519.21
  6. Step 6: Final answer
    x = 256,793.66

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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.