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Finding the Fourth Proportional to 575.94, 794.66 and 443.28

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Solution

The fourth proportional to 575.94, 794.66 and 443.28 is: 611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.94 : 794.66 = 443.28 : x
  2. Step 2: Convert to fraction form
    575.94/794.66 = 443.28/x
  3. Step 3: Cross multiply
    575.94x = 794.66 × 443.28
  4. Step 4: Simplify right side
    575.94x = 352,256.88
  5. Step 5: Solve for x
    x = 352,256.88/575.94
  6. Step 6: Final answer
    x = 611.62

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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.