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Finding the Fourth Proportional to 322,145.41, 444,548.48 and 178,914.68

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Solution

The fourth proportional to 322,145.41, 444,548.48 and 178,914.68 is: 246,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,145.41 : 444,548.48 = 178,914.68 : x
  2. Step 2: Convert to fraction form
    322,145.41/444,548.48 = 178,914.68/x
  3. Step 3: Cross multiply
    322,145.41x = 444,548.48 × 178,914.68
  4. Step 4: Simplify right side
    322,145.41x = 79,536,249,043.69
  5. Step 5: Solve for x
    x = 79,536,249,043.69/322,145.41
  6. Step 6: Final answer
    x = 246,895.49

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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.