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Finding the Fourth Proportional to 362,620.98, 500,405.67 and 199,277.10

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Solution

The fourth proportional to 362,620.98, 500,405.67 and 199,277.10 is: 274,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,620.98 : 500,405.67 = 199,277.10 : x
  2. Step 2: Convert to fraction form
    362,620.98/500,405.67 = 199,277.10/x
  3. Step 3: Cross multiply
    362,620.98x = 500,405.67 × 199,277.10
  4. Step 4: Simplify right side
    362,620.98x = 99,719,390,741.16
  5. Step 5: Solve for x
    x = 99,719,390,741.16/362,620.98
  6. Step 6: Final answer
    x = 274,996.20

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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.