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Finding the Fourth Proportional to 352,712.46, 486,749.01 and 191,567.63

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Solution

The fourth proportional to 352,712.46, 486,749.01 and 191,567.63 is: 264,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.46 : 486,749.01 = 191,567.63 : x
  2. Step 2: Convert to fraction form
    352,712.46/486,749.01 = 191,567.63/x
  3. Step 3: Cross multiply
    352,712.46x = 486,749.01 × 191,567.63
  4. Step 4: Simplify right side
    352,712.46x = 93,245,351,816.80
  5. Step 5: Solve for x
    x = 93,245,351,816.80/352,712.46
  6. Step 6: Final answer
    x = 264,366.48

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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.