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Finding the Fourth Proportional to 344,829.80, 476,164.14 and 254,342.60

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Solution

The fourth proportional to 344,829.80, 476,164.14 and 254,342.60 is: 351,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,829.80 : 476,164.14 = 254,342.60 : x
  2. Step 2: Convert to fraction form
    344,829.80/476,164.14 = 254,342.60/x
  3. Step 3: Cross multiply
    344,829.80x = 476,164.14 × 254,342.60
  4. Step 4: Simplify right side
    344,829.80x = 121,108,825,394.36
  5. Step 5: Solve for x
    x = 121,108,825,394.36/344,829.80
  6. Step 6: Final answer
    x = 351,213.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.