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Finding the Fourth Proportional to 404,407.64, 606,351.94 and 167,913.56

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Solution

The fourth proportional to 404,407.64, 606,351.94 and 167,913.56 is: 251,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,407.64 : 606,351.94 = 167,913.56 : x
  2. Step 2: Convert to fraction form
    404,407.64/606,351.94 = 167,913.56/x
  3. Step 3: Cross multiply
    404,407.64x = 606,351.94 × 167,913.56
  4. Step 4: Simplify right side
    404,407.64x = 101,814,712,858.31
  5. Step 5: Solve for x
    x = 101,814,712,858.31/404,407.64
  6. Step 6: Final answer
    x = 251,762.59

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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.