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Finding the Fourth Proportional to 322,191.24, 444,704.28 and 186,303.54

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Solution

The fourth proportional to 322,191.24, 444,704.28 and 186,303.54 is: 257,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,191.24 : 444,704.28 = 186,303.54 : x
  2. Step 2: Convert to fraction form
    322,191.24/444,704.28 = 186,303.54/x
  3. Step 3: Cross multiply
    322,191.24x = 444,704.28 × 186,303.54
  4. Step 4: Simplify right side
    322,191.24x = 82,849,982,586.15
  5. Step 5: Solve for x
    x = 82,849,982,586.15/322,191.24
  6. Step 6: Final answer
    x = 257,145.36

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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.