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Finding the Fourth Proportional to 321,893.64, 444,110.52 and 185,909.76

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Solution

The fourth proportional to 321,893.64, 444,110.52 and 185,909.76 is: 256,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,893.64 : 444,110.52 = 185,909.76 : x
  2. Step 2: Convert to fraction form
    321,893.64/444,110.52 = 185,909.76/x
  3. Step 3: Cross multiply
    321,893.64x = 444,110.52 × 185,909.76
  4. Step 4: Simplify right side
    321,893.64x = 82,564,480,186.68
  5. Step 5: Solve for x
    x = 82,564,480,186.68/321,893.64
  6. Step 6: Final answer
    x = 256,496.15

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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.