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Finding the Fourth Proportional to 404,295.80, 605,925.30 and 193,479.80

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Solution

The fourth proportional to 404,295.80, 605,925.30 and 193,479.80 is: 289,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,295.80 : 605,925.30 = 193,479.80 : x
  2. Step 2: Convert to fraction form
    404,295.80/605,925.30 = 193,479.80/x
  3. Step 3: Cross multiply
    404,295.80x = 605,925.30 × 193,479.80
  4. Step 4: Simplify right side
    404,295.80x = 117,234,305,858.94
  5. Step 5: Solve for x
    x = 117,234,305,858.94/404,295.80
  6. Step 6: Final answer
    x = 289,971.61

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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.