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Finding the Fourth Proportional to 331,554.75, 457,545.56 and 180,651.75

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Solution

The fourth proportional to 331,554.75, 457,545.56 and 180,651.75 is: 249,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,554.75 : 457,545.56 = 180,651.75 : x
  2. Step 2: Convert to fraction form
    331,554.75/457,545.56 = 180,651.75/x
  3. Step 3: Cross multiply
    331,554.75x = 457,545.56 × 180,651.75
  4. Step 4: Simplify right side
    331,554.75x = 82,656,405,215.47
  5. Step 5: Solve for x
    x = 82,656,405,215.47/331,554.75
  6. Step 6: Final answer
    x = 249,299.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.