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Finding the Fourth Proportional to 454,543, 681,912.92 and 174,060.26

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Solution

The fourth proportional to 454,543, 681,912.92 and 174,060.26 is: 261,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,543 : 681,912.92 = 174,060.26 : x
  2. Step 2: Convert to fraction form
    454,543/681,912.92 = 174,060.26/x
  3. Step 3: Cross multiply
    454,543x = 681,912.92 × 174,060.26
  4. Step 4: Simplify right side
    454,543x = 118,693,940,152.56
  5. Step 5: Solve for x
    x = 118,693,940,152.56/454,543
  6. Step 6: Final answer
    x = 261,128.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.