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Finding the Fourth Proportional to 404,273.16, 606,470.58 and 130,628.16

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Solution

The fourth proportional to 404,273.16, 606,470.58 and 130,628.16 is: 195,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,273.16 : 606,470.58 = 130,628.16 : x
  2. Step 2: Convert to fraction form
    404,273.16/606,470.58 = 130,628.16/x
  3. Step 3: Cross multiply
    404,273.16x = 606,470.58 × 130,628.16
  4. Step 4: Simplify right side
    404,273.16x = 79,222,135,959.53
  5. Step 5: Solve for x
    x = 79,222,135,959.53/404,273.16
  6. Step 6: Final answer
    x = 195,961.90

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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.