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Finding the Fourth Proportional to 295,548.20, 443,322.30 and 206,901.80

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Solution

The fourth proportional to 295,548.20, 443,322.30 and 206,901.80 is: 310,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,548.20 : 443,322.30 = 206,901.80 : x
  2. Step 2: Convert to fraction form
    295,548.20/443,322.30 = 206,901.80/x
  3. Step 3: Cross multiply
    295,548.20x = 443,322.30 × 206,901.80
  4. Step 4: Simplify right side
    295,548.20x = 91,724,181,850.14
  5. Step 5: Solve for x
    x = 91,724,181,850.14/295,548.20
  6. Step 6: Final answer
    x = 310,352.70

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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.