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Finding the Fourth Proportional to 352,568, 486,543.84 and 193,592

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Solution

The fourth proportional to 352,568, 486,543.84 and 193,592 is: 267,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,568 : 486,543.84 = 193,592 : x
  2. Step 2: Convert to fraction form
    352,568/486,543.84 = 193,592/x
  3. Step 3: Cross multiply
    352,568x = 486,543.84 × 193,592
  4. Step 4: Simplify right side
    352,568x = 94,190,995,073.28
  5. Step 5: Solve for x
    x = 94,190,995,073.28/352,568
  6. Step 6: Final answer
    x = 267,156.96

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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.