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Finding the Fourth Proportional to 331,455.47, 497,202.85 and 103,793.66

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Solution

The fourth proportional to 331,455.47, 497,202.85 and 103,793.66 is: 155,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,455.47 : 497,202.85 = 103,793.66 : x
  2. Step 2: Convert to fraction form
    331,455.47/497,202.85 = 103,793.66/x
  3. Step 3: Cross multiply
    331,455.47x = 497,202.85 × 103,793.66
  4. Step 4: Simplify right side
    331,455.47x = 51,606,503,563.93
  5. Step 5: Solve for x
    x = 51,606,503,563.93/331,455.47
  6. Step 6: Final answer
    x = 155,696.64

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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.