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Finding the Fourth Proportional to 483,716.80, 725,575.20 and 188,228.80

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Solution

The fourth proportional to 483,716.80, 725,575.20 and 188,228.80 is: 282,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,716.80 : 725,575.20 = 188,228.80 : x
  2. Step 2: Convert to fraction form
    483,716.80/725,575.20 = 188,228.80/x
  3. Step 3: Cross multiply
    483,716.80x = 725,575.20 × 188,228.80
  4. Step 4: Simplify right side
    483,716.80x = 136,574,149,205.76
  5. Step 5: Solve for x
    x = 136,574,149,205.76/483,716.80
  6. Step 6: Final answer
    x = 282,343.20

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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.