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Finding the Fourth Proportional to 307,228.72, 461,052.06 and 188,537.80

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Solution

The fourth proportional to 307,228.72, 461,052.06 and 188,537.80 is: 282,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,228.72 : 461,052.06 = 188,537.80 : x
  2. Step 2: Convert to fraction form
    307,228.72/461,052.06 = 188,537.80/x
  3. Step 3: Cross multiply
    307,228.72x = 461,052.06 × 188,537.80
  4. Step 4: Simplify right side
    307,228.72x = 86,925,741,077.87
  5. Step 5: Solve for x
    x = 86,925,741,077.87/307,228.72
  6. Step 6: Final answer
    x = 282,934.95

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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.