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Finding the Fourth Proportional to 404,011.06, 606,128.67 and 176,326.54

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Solution

The fourth proportional to 404,011.06, 606,128.67 and 176,326.54 is: 264,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,011.06 : 606,128.67 = 176,326.54 : x
  2. Step 2: Convert to fraction form
    404,011.06/606,128.67 = 176,326.54/x
  3. Step 3: Cross multiply
    404,011.06x = 606,128.67 × 176,326.54
  4. Step 4: Simplify right side
    404,011.06x = 106,876,571,175.90
  5. Step 5: Solve for x
    x = 106,876,571,175.90/404,011.06
  6. Step 6: Final answer
    x = 264,538.73

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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.