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Finding the Fourth Proportional to 352,581.62, 486,567.69 and 191,436.98

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Solution

The fourth proportional to 352,581.62, 486,567.69 and 191,436.98 is: 264,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,581.62 : 486,567.69 = 191,436.98 : x
  2. Step 2: Convert to fraction form
    352,581.62/486,567.69 = 191,436.98/x
  3. Step 3: Cross multiply
    352,581.62x = 486,567.69 × 191,436.98
  4. Step 4: Simplify right side
    352,581.62x = 93,147,049,139.18
  5. Step 5: Solve for x
    x = 93,147,049,139.18/352,581.62
  6. Step 6: Final answer
    x = 264,185.78

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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.