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Finding the Fourth Proportional to 283,399.32, 425,247.21 and 183,533.61

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Solution

The fourth proportional to 283,399.32, 425,247.21 and 183,533.61 is: 275,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,399.32 : 425,247.21 = 183,533.61 : x
  2. Step 2: Convert to fraction form
    283,399.32/425,247.21 = 183,533.61/x
  3. Step 3: Cross multiply
    283,399.32x = 425,247.21 × 183,533.61
  4. Step 4: Simplify right side
    283,399.32x = 78,047,155,593.73
  5. Step 5: Solve for x
    x = 78,047,155,593.73/283,399.32
  6. Step 6: Final answer
    x = 275,396.41

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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.