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Finding the Fourth Proportional to 606,578.38, 909,834.76 and 185,855.47

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Solution

The fourth proportional to 606,578.38, 909,834.76 and 185,855.47 is: 278,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,578.38 : 909,834.76 = 185,855.47 : x
  2. Step 2: Convert to fraction form
    606,578.38/909,834.76 = 185,855.47/x
  3. Step 3: Cross multiply
    606,578.38x = 909,834.76 × 185,855.47
  4. Step 4: Simplify right side
    606,578.38x = 169,097,766,942.14
  5. Step 5: Solve for x
    x = 169,097,766,942.14/606,578.38
  6. Step 6: Final answer
    x = 278,773.15

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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.