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Finding the Fourth Proportional to 425,441.81, 587,121.99 and 234,467.50

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Solution

The fourth proportional to 425,441.81, 587,121.99 and 234,467.50 is: 323,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,441.81 : 587,121.99 = 234,467.50 : x
  2. Step 2: Convert to fraction form
    425,441.81/587,121.99 = 234,467.50/x
  3. Step 3: Cross multiply
    425,441.81x = 587,121.99 × 234,467.50
  4. Step 4: Simplify right side
    425,441.81x = 137,661,025,190.33
  5. Step 5: Solve for x
    x = 137,661,025,190.33/425,441.81
  6. Step 6: Final answer
    x = 323,571.92

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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.