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Finding the Fourth Proportional to 331,953.55, 497,675.10 and 171,857.86

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Solution

The fourth proportional to 331,953.55, 497,675.10 and 171,857.86 is: 257,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,953.55 : 497,675.10 = 171,857.86 : x
  2. Step 2: Convert to fraction form
    331,953.55/497,675.10 = 171,857.86/x
  3. Step 3: Cross multiply
    331,953.55x = 497,675.10 × 171,857.86
  4. Step 4: Simplify right side
    331,953.55x = 85,529,377,061.57
  5. Step 5: Solve for x
    x = 85,529,377,061.57/331,953.55
  6. Step 6: Final answer
    x = 257,654.66

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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.