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Finding the Fourth Proportional to 493,645.88, 740,468.82 and 119,668.88

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Solution

The fourth proportional to 493,645.88, 740,468.82 and 119,668.88 is: 179,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,645.88 : 740,468.82 = 119,668.88 : x
  2. Step 2: Convert to fraction form
    493,645.88/740,468.82 = 119,668.88/x
  3. Step 3: Cross multiply
    493,645.88x = 740,468.82 × 119,668.88
  4. Step 4: Simplify right side
    493,645.88x = 88,611,070,661.98
  5. Step 5: Solve for x
    x = 88,611,070,661.98/493,645.88
  6. Step 6: Final answer
    x = 179,503.31

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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.