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Finding the Fourth Proportional to 355,745.41, 533,578.65 and 89,505.97

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Solution

The fourth proportional to 355,745.41, 533,578.65 and 89,505.97 is: 134,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,745.41 : 533,578.65 = 89,505.97 : x
  2. Step 2: Convert to fraction form
    355,745.41/533,578.65 = 89,505.97/x
  3. Step 3: Cross multiply
    355,745.41x = 533,578.65 × 89,505.97
  4. Step 4: Simplify right side
    355,745.41x = 47,758,474,639.54
  5. Step 5: Solve for x
    x = 47,758,474,639.54/355,745.41
  6. Step 6: Final answer
    x = 134,249.03

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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.