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Finding the Fourth Proportional to 352,906.90, 487,014.59 and 191,761.94

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Solution

The fourth proportional to 352,906.90, 487,014.59 and 191,761.94 is: 264,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,906.90 : 487,014.59 = 191,761.94 : x
  2. Step 2: Convert to fraction form
    352,906.90/487,014.59 = 191,761.94/x
  3. Step 3: Cross multiply
    352,906.90x = 487,014.59 × 191,761.94
  4. Step 4: Simplify right side
    352,906.90x = 93,390,862,586.70
  5. Step 5: Solve for x
    x = 93,390,862,586.70/352,906.90
  6. Step 6: Final answer
    x = 264,633.14

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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.