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Finding the Fourth Proportional to 362,443.87, 543,457.43 and 149,358.86

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Solution

The fourth proportional to 362,443.87, 543,457.43 and 149,358.86 is: 223,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,443.87 : 543,457.43 = 149,358.86 : x
  2. Step 2: Convert to fraction form
    362,443.87/543,457.43 = 149,358.86/x
  3. Step 3: Cross multiply
    362,443.87x = 543,457.43 × 149,358.86
  4. Step 4: Simplify right side
    362,443.87x = 81,170,178,739.25
  5. Step 5: Solve for x
    x = 81,170,178,739.25/362,443.87
  6. Step 6: Final answer
    x = 223,952.41

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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.