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Finding the Fourth Proportional to 352,762.70, 486,813.44 and 191,616.44

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Solution

The fourth proportional to 352,762.70, 486,813.44 and 191,616.44 is: 264,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,762.70 : 486,813.44 = 191,616.44 : x
  2. Step 2: Convert to fraction form
    352,762.70/486,813.44 = 191,616.44/x
  3. Step 3: Cross multiply
    352,762.70x = 486,813.44 × 191,616.44
  4. Step 4: Simplify right side
    352,762.70x = 93,281,456,361.93
  5. Step 5: Solve for x
    x = 93,281,456,361.93/352,762.70
  6. Step 6: Final answer
    x = 264,431.18

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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.