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Finding the Fourth Proportional to 339,204.60, 508,917.47 and 170,637.93

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Solution

The fourth proportional to 339,204.60, 508,917.47 and 170,637.93 is: 256,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,204.60 : 508,917.47 = 170,637.93 : x
  2. Step 2: Convert to fraction form
    339,204.60/508,917.47 = 170,637.93/x
  3. Step 3: Cross multiply
    339,204.60x = 508,917.47 × 170,637.93
  4. Step 4: Simplify right side
    339,204.60x = 86,840,622,768.45
  5. Step 5: Solve for x
    x = 86,840,622,768.45/339,204.60
  6. Step 6: Final answer
    x = 256,012.52

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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.