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Finding the Fourth Proportional to 362,744.80, 500,585.94 and 199,405.12

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Solution

The fourth proportional to 362,744.80, 500,585.94 and 199,405.12 is: 275,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,744.80 : 500,585.94 = 199,405.12 : x
  2. Step 2: Convert to fraction form
    362,744.80/500,585.94 = 199,405.12/x
  3. Step 3: Cross multiply
    362,744.80x = 500,585.94 × 199,405.12
  4. Step 4: Simplify right side
    362,744.80x = 99,819,399,436.01
  5. Step 5: Solve for x
    x = 99,819,399,436.01/362,744.80
  6. Step 6: Final answer
    x = 275,178.03

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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.