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Finding the Fourth Proportional to 352,905.54, 487,008.59 and 191,761.08

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Solution

The fourth proportional to 352,905.54, 487,008.59 and 191,761.08 is: 264,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,905.54 : 487,008.59 = 191,761.08 : x
  2. Step 2: Convert to fraction form
    352,905.54/487,008.59 = 191,761.08/x
  3. Step 3: Cross multiply
    352,905.54x = 487,008.59 × 191,761.08
  4. Step 4: Simplify right side
    352,905.54x = 93,389,292,228.87
  5. Step 5: Solve for x
    x = 93,389,292,228.87/352,905.54
  6. Step 6: Final answer
    x = 264,629.71

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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.