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Finding the Fourth Proportional to 322,673.58, 445,253.45 and 179,425.08

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Solution

The fourth proportional to 322,673.58, 445,253.45 and 179,425.08 is: 247,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673.58 : 445,253.45 = 179,425.08 : x
  2. Step 2: Convert to fraction form
    322,673.58/445,253.45 = 179,425.08/x
  3. Step 3: Cross multiply
    322,673.58x = 445,253.45 × 179,425.08
  4. Step 4: Simplify right side
    322,673.58x = 79,889,634,989.40
  5. Step 5: Solve for x
    x = 79,889,634,989.40/322,673.58
  6. Step 6: Final answer
    x = 247,586.54

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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.