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Finding the Fourth Proportional to 321,747.34, 444,005.42 and 178,504.31

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Solution

The fourth proportional to 321,747.34, 444,005.42 and 178,504.31 is: 246,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,747.34 : 444,005.42 = 178,504.31 : x
  2. Step 2: Convert to fraction form
    321,747.34/444,005.42 = 178,504.31/x
  3. Step 3: Cross multiply
    321,747.34x = 444,005.42 × 178,504.31
  4. Step 4: Simplify right side
    321,747.34x = 79,256,880,359.45
  5. Step 5: Solve for x
    x = 79,256,880,359.45/321,747.34
  6. Step 6: Final answer
    x = 246,332.67

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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.