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Finding the Fourth Proportional to 352,649.32, 486,654.54 and 191,503.04

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Solution

The fourth proportional to 352,649.32, 486,654.54 and 191,503.04 is: 264,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,649.32 : 486,654.54 = 191,503.04 : x
  2. Step 2: Convert to fraction form
    352,649.32/486,654.54 = 191,503.04/x
  3. Step 3: Cross multiply
    352,649.32x = 486,654.54 × 191,503.04
  4. Step 4: Simplify right side
    352,649.32x = 93,195,823,839.80
  5. Step 5: Solve for x
    x = 93,195,823,839.80/352,649.32
  6. Step 6: Final answer
    x = 264,273.37

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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.