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Finding the Fourth Proportional to 348,773.76, 481,323.60 and 205,539.84

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Solution

The fourth proportional to 348,773.76, 481,323.60 and 205,539.84 is: 283,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,773.76 : 481,323.60 = 205,539.84 : x
  2. Step 2: Convert to fraction form
    348,773.76/481,323.60 = 205,539.84/x
  3. Step 3: Cross multiply
    348,773.76x = 481,323.60 × 205,539.84
  4. Step 4: Simplify right side
    348,773.76x = 98,931,175,732.22
  5. Step 5: Solve for x
    x = 98,931,175,732.22/348,773.76
  6. Step 6: Final answer
    x = 283,654.30

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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.