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Finding the Fourth Proportional to 295,437.27, 443,119.01 and 82,221.18

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Solution

The fourth proportional to 295,437.27, 443,119.01 and 82,221.18 is: 123,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,437.27 : 443,119.01 = 82,221.18 : x
  2. Step 2: Convert to fraction form
    295,437.27/443,119.01 = 82,221.18/x
  3. Step 3: Cross multiply
    295,437.27x = 443,119.01 × 82,221.18
  4. Step 4: Simplify right side
    295,437.27x = 36,433,765,809.83
  5. Step 5: Solve for x
    x = 36,433,765,809.83/295,437.27
  6. Step 6: Final answer
    x = 123,321.49

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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.