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Finding the Fourth Proportional to 362,108.16, 543,160.08 and 196,945.92

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Solution

The fourth proportional to 362,108.16, 543,160.08 and 196,945.92 is: 295,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,108.16 : 543,160.08 = 196,945.92 : x
  2. Step 2: Convert to fraction form
    362,108.16/543,160.08 = 196,945.92/x
  3. Step 3: Cross multiply
    362,108.16x = 543,160.08 × 196,945.92
  4. Step 4: Simplify right side
    362,108.16x = 106,973,161,662.87
  5. Step 5: Solve for x
    x = 106,973,161,662.87/362,108.16
  6. Step 6: Final answer
    x = 295,417.71

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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.