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Finding the Fourth Proportional to 269,202.70, 403,731.15 and 79,662.70

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Solution

The fourth proportional to 269,202.70, 403,731.15 and 79,662.70 is: 119,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,202.70 : 403,731.15 = 79,662.70 : x
  2. Step 2: Convert to fraction form
    269,202.70/403,731.15 = 79,662.70/x
  3. Step 3: Cross multiply
    269,202.70x = 403,731.15 × 79,662.70
  4. Step 4: Simplify right side
    269,202.70x = 32,162,313,483.11
  5. Step 5: Solve for x
    x = 32,162,313,483.11/269,202.70
  6. Step 6: Final answer
    x = 119,472.48

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1.5x scale

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.