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Finding the Fourth Proportional to 576,445.44, 795,487.32 and 321,800.88

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Solution

The fourth proportional to 576,445.44, 795,487.32 and 321,800.88 is: 444,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,445.44 : 795,487.32 = 321,800.88 : x
  2. Step 2: Convert to fraction form
    576,445.44/795,487.32 = 321,800.88/x
  3. Step 3: Cross multiply
    576,445.44x = 795,487.32 × 321,800.88
  4. Step 4: Simplify right side
    576,445.44x = 255,988,519,604.84
  5. Step 5: Solve for x
    x = 255,988,519,604.84/576,445.44
  6. Step 6: Final answer
    x = 444,081.09

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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.