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Finding the Fourth Proportional to 570,658.96, 855,995.73 and 271,168.75

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Solution

The fourth proportional to 570,658.96, 855,995.73 and 271,168.75 is: 406,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,658.96 : 855,995.73 = 271,168.75 : x
  2. Step 2: Convert to fraction form
    570,658.96/855,995.73 = 271,168.75/x
  3. Step 3: Cross multiply
    570,658.96x = 855,995.73 × 271,168.75
  4. Step 4: Simplify right side
    570,658.96x = 232,119,292,109.44
  5. Step 5: Solve for x
    x = 232,119,292,109.44/570,658.96
  6. Step 6: Final answer
    x = 406,756.59

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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.