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Finding the Fourth Proportional to 352,593.82, 486,622.50 and 207,392.68

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Solution

The fourth proportional to 352,593.82, 486,622.50 and 207,392.68 is: 286,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,593.82 : 486,622.50 = 207,392.68 : x
  2. Step 2: Convert to fraction form
    352,593.82/486,622.50 = 207,392.68/x
  3. Step 3: Cross multiply
    352,593.82x = 486,622.50 × 207,392.68
  4. Step 4: Simplify right side
    352,593.82x = 100,921,944,423.30
  5. Step 5: Solve for x
    x = 100,921,944,423.30/352,593.82
  6. Step 6: Final answer
    x = 286,227.21

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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.