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Finding the Fourth Proportional to 483,606.96, 725,329.44 and 128,626.08

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Solution

The fourth proportional to 483,606.96, 725,329.44 and 128,626.08 is: 192,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,606.96 : 725,329.44 = 128,626.08 : x
  2. Step 2: Convert to fraction form
    483,606.96/725,329.44 = 128,626.08/x
  3. Step 3: Cross multiply
    483,606.96x = 725,329.44 × 128,626.08
  4. Step 4: Simplify right side
    483,606.96x = 93,296,282,575.80
  5. Step 5: Solve for x
    x = 93,296,282,575.80/483,606.96
  6. Step 6: Final answer
    x = 192,917.58

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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.