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Finding the Fourth Proportional to 352,592.22, 486,579.18 and 191,447.28

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Solution

The fourth proportional to 352,592.22, 486,579.18 and 191,447.28 is: 264,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,592.22 : 486,579.18 = 191,447.28 : x
  2. Step 2: Convert to fraction form
    352,592.22/486,579.18 = 191,447.28/x
  3. Step 3: Cross multiply
    352,592.22x = 486,579.18 × 191,447.28
  4. Step 4: Simplify right side
    352,592.22x = 93,154,260,515.63
  5. Step 5: Solve for x
    x = 93,154,260,515.63/352,592.22
  6. Step 6: Final answer
    x = 264,198.29

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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.