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Finding the Fourth Proportional to 454,393.80, 681,156 and 170,007.12

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Solution

The fourth proportional to 454,393.80, 681,156 and 170,007.12 is: 254,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,393.80 : 681,156 = 170,007.12 : x
  2. Step 2: Convert to fraction form
    454,393.80/681,156 = 170,007.12/x
  3. Step 3: Cross multiply
    454,393.80x = 681,156 × 170,007.12
  4. Step 4: Simplify right side
    454,393.80x = 115,801,369,830.72
  5. Step 5: Solve for x
    x = 115,801,369,830.72/454,393.80
  6. Step 6: Final answer
    x = 254,848.04

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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.