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Finding the Fourth Proportional to 493,670.69, 740,506.13 and 119,693.69

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Solution

The fourth proportional to 493,670.69, 740,506.13 and 119,693.69 is: 179,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,670.69 : 740,506.13 = 119,693.69 : x
  2. Step 2: Convert to fraction form
    493,670.69/740,506.13 = 119,693.69/x
  3. Step 3: Cross multiply
    493,670.69x = 740,506.13 × 119,693.69
  4. Step 4: Simplify right side
    493,670.69x = 88,633,911,167.32
  5. Step 5: Solve for x
    x = 88,633,911,167.32/493,670.69
  6. Step 6: Final answer
    x = 179,540.56

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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.