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Finding the Fourth Proportional to 348,663.76, 481,140.80 and 193,605.44

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Solution

The fourth proportional to 348,663.76, 481,140.80 and 193,605.44 is: 267,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,663.76 : 481,140.80 = 193,605.44 : x
  2. Step 2: Convert to fraction form
    348,663.76/481,140.80 = 193,605.44/x
  3. Step 3: Cross multiply
    348,663.76x = 481,140.80 × 193,605.44
  4. Step 4: Simplify right side
    348,663.76x = 93,151,476,285.95
  5. Step 5: Solve for x
    x = 93,151,476,285.95/348,663.76
  6. Step 6: Final answer
    x = 267,167.07

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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.