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Finding the Fourth Proportional to 371,390.52, 512,524.86 and 201,624.50

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Solution

The fourth proportional to 371,390.52, 512,524.86 and 201,624.50 is: 278,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,390.52 : 512,524.86 = 201,624.50 : x
  2. Step 2: Convert to fraction form
    371,390.52/512,524.86 = 201,624.50/x
  3. Step 3: Cross multiply
    371,390.52x = 512,524.86 × 201,624.50
  4. Step 4: Simplify right side
    371,390.52x = 103,337,568,635.07
  5. Step 5: Solve for x
    x = 103,337,568,635.07/371,390.52
  6. Step 6: Final answer
    x = 278,245.04

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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.