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Finding the Fourth Proportional to 321,852.52, 444,171.64 and 178,613.74

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Solution

The fourth proportional to 321,852.52, 444,171.64 and 178,613.74 is: 246,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,852.52 : 444,171.64 = 178,613.74 : x
  2. Step 2: Convert to fraction form
    321,852.52/444,171.64 = 178,613.74/x
  3. Step 3: Cross multiply
    321,852.52x = 444,171.64 × 178,613.74
  4. Step 4: Simplify right side
    321,852.52x = 79,335,157,822.33
  5. Step 5: Solve for x
    x = 79,335,157,822.33/321,852.52
  6. Step 6: Final answer
    x = 246,495.38

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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.