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Finding the Fourth Proportional to 348,763.53, 481,260.42 and 195,766.68

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Solution

The fourth proportional to 348,763.53, 481,260.42 and 195,766.68 is: 270,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,763.53 : 481,260.42 = 195,766.68 : x
  2. Step 2: Convert to fraction form
    348,763.53/481,260.42 = 195,766.68/x
  3. Step 3: Cross multiply
    348,763.53x = 481,260.42 × 195,766.68
  4. Step 4: Simplify right side
    348,763.53x = 94,214,754,638.81
  5. Step 5: Solve for x
    x = 94,214,754,638.81/348,763.53
  6. Step 6: Final answer
    x = 270,139.35

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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.