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Finding the Fourth Proportional to 641,015.33, 883,735.52 and 411,173.60

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Solution

The fourth proportional to 641,015.33, 883,735.52 and 411,173.60 is: 566,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,015.33 : 883,735.52 = 411,173.60 : x
  2. Step 2: Convert to fraction form
    641,015.33/883,735.52 = 411,173.60/x
  3. Step 3: Cross multiply
    641,015.33x = 883,735.52 × 411,173.60
  4. Step 4: Simplify right side
    641,015.33x = 363,368,708,731.73
  5. Step 5: Solve for x
    x = 363,368,708,731.73/641,015.33
  6. Step 6: Final answer
    x = 566,864.31

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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.