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Finding the Fourth Proportional to 283,441.50, 391,115.25 and 162,576.54

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Solution

The fourth proportional to 283,441.50, 391,115.25 and 162,576.54 is: 224,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,441.50 : 391,115.25 = 162,576.54 : x
  2. Step 2: Convert to fraction form
    283,441.50/391,115.25 = 162,576.54/x
  3. Step 3: Cross multiply
    283,441.50x = 391,115.25 × 162,576.54
  4. Step 4: Simplify right side
    283,441.50x = 63,586,164,086.24
  5. Step 5: Solve for x
    x = 63,586,164,086.24/283,441.50
  6. Step 6: Final answer
    x = 224,336.11

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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.