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Finding the Fourth Proportional to 254,693.60, 382,040.40 and 195,644.60

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Solution

The fourth proportional to 254,693.60, 382,040.40 and 195,644.60 is: 293,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,693.60 : 382,040.40 = 195,644.60 : x
  2. Step 2: Convert to fraction form
    254,693.60/382,040.40 = 195,644.60/x
  3. Step 3: Cross multiply
    254,693.60x = 382,040.40 × 195,644.60
  4. Step 4: Simplify right side
    254,693.60x = 74,744,141,241.84
  5. Step 5: Solve for x
    x = 74,744,141,241.84/254,693.60
  6. Step 6: Final answer
    x = 293,466.90

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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.