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Finding the Fourth Proportional to 321,800.62, 444,106.08 and 185,840.28

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Solution

The fourth proportional to 321,800.62, 444,106.08 and 185,840.28 is: 256,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,800.62 : 444,106.08 = 185,840.28 : x
  2. Step 2: Convert to fraction form
    321,800.62/444,106.08 = 185,840.28/x
  3. Step 3: Cross multiply
    321,800.62x = 444,106.08 × 185,840.28
  4. Step 4: Simplify right side
    321,800.62x = 82,532,798,256.90
  5. Step 5: Solve for x
    x = 82,532,798,256.90/321,800.62
  6. Step 6: Final answer
    x = 256,471.84

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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.