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Finding the Fourth Proportional to 323,300.58, 446,189.68 and 178,121.20

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Solution

The fourth proportional to 323,300.58, 446,189.68 and 178,121.20 is: 245,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,300.58 : 446,189.68 = 178,121.20 : x
  2. Step 2: Convert to fraction form
    323,300.58/446,189.68 = 178,121.20/x
  3. Step 3: Cross multiply
    323,300.58x = 446,189.68 × 178,121.20
  4. Step 4: Simplify right side
    323,300.58x = 79,475,841,229.22
  5. Step 5: Solve for x
    x = 79,475,841,229.22/323,300.58
  6. Step 6: Final answer
    x = 245,826.47

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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.