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Finding the Fourth Proportional to 484,175.34, 726,263.08 and 129,190.68

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Solution

The fourth proportional to 484,175.34, 726,263.08 and 129,190.68 is: 193,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,175.34 : 726,263.08 = 129,190.68 : x
  2. Step 2: Convert to fraction form
    484,175.34/726,263.08 = 129,190.68/x
  3. Step 3: Cross multiply
    484,175.34x = 726,263.08 × 129,190.68
  4. Step 4: Simplify right side
    484,175.34x = 93,826,421,164.09
  5. Step 5: Solve for x
    x = 93,826,421,164.09/484,175.34
  6. Step 6: Final answer
    x = 193,786.04

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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.