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Finding the Fourth Proportional to 475,372.75, 656,014.97 and 257,581.27

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Solution

The fourth proportional to 475,372.75, 656,014.97 and 257,581.27 is: 355,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,372.75 : 656,014.97 = 257,581.27 : x
  2. Step 2: Convert to fraction form
    475,372.75/656,014.97 = 257,581.27/x
  3. Step 3: Cross multiply
    475,372.75x = 656,014.97 × 257,581.27
  4. Step 4: Simplify right side
    475,372.75x = 168,977,167,003.69
  5. Step 5: Solve for x
    x = 168,977,167,003.69/475,372.75
  6. Step 6: Final answer
    x = 355,462.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.