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Finding the Fourth Proportional to 439,174.98, 658,295.82 and 172,898.82

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Solution

The fourth proportional to 439,174.98, 658,295.82 and 172,898.82 is: 259,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,174.98 : 658,295.82 = 172,898.82 : x
  2. Step 2: Convert to fraction form
    439,174.98/658,295.82 = 172,898.82/x
  3. Step 3: Cross multiply
    439,174.98x = 658,295.82 × 172,898.82
  4. Step 4: Simplify right side
    439,174.98x = 113,818,570,488.93
  5. Step 5: Solve for x
    x = 113,818,570,488.93/439,174.98
  6. Step 6: Final answer
    x = 259,164.51

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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.