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Finding the Fourth Proportional to 454,063.92, 681,070.48 and 138,496.04

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Solution

The fourth proportional to 454,063.92, 681,070.48 and 138,496.04 is: 207,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,063.92 : 681,070.48 = 138,496.04 : x
  2. Step 2: Convert to fraction form
    454,063.92/681,070.48 = 138,496.04/x
  3. Step 3: Cross multiply
    454,063.92x = 681,070.48 × 138,496.04
  4. Step 4: Simplify right side
    454,063.92x = 94,325,564,440.90
  5. Step 5: Solve for x
    x = 94,325,564,440.90/454,063.92
  6. Step 6: Final answer
    x = 207,736.31

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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.