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Finding the Fourth Proportional to 352,427.44, 486,350.30 and 191,282.48

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Solution

The fourth proportional to 352,427.44, 486,350.30 and 191,282.48 is: 263,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,427.44 : 486,350.30 = 191,282.48 : x
  2. Step 2: Convert to fraction form
    352,427.44/486,350.30 = 191,282.48/x
  3. Step 3: Cross multiply
    352,427.44x = 486,350.30 × 191,282.48
  4. Step 4: Simplify right side
    352,427.44x = 93,030,291,532.74
  5. Step 5: Solve for x
    x = 93,030,291,532.74/352,427.44
  6. Step 6: Final answer
    x = 263,970.06

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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.