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Finding the Fourth Proportional to 404,620.26, 606,959.54 and 155,302.26

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Solution

The fourth proportional to 404,620.26, 606,959.54 and 155,302.26 is: 232,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,620.26 : 606,959.54 = 155,302.26 : x
  2. Step 2: Convert to fraction form
    404,620.26/606,959.54 = 155,302.26/x
  3. Step 3: Cross multiply
    404,620.26x = 606,959.54 × 155,302.26
  4. Step 4: Simplify right side
    404,620.26x = 94,262,188,290.56
  5. Step 5: Solve for x
    x = 94,262,188,290.56/404,620.26
  6. Step 6: Final answer
    x = 232,964.58

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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.