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Finding the Fourth Proportional to 804.92, 1,110.69 and 473.27

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Solution

The fourth proportional to 804.92, 1,110.69 and 473.27 is: 653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.92 : 1,110.69 = 473.27 : x
  2. Step 2: Convert to fraction form
    804.92/1,110.69 = 473.27/x
  3. Step 3: Cross multiply
    804.92x = 1,110.69 × 473.27
  4. Step 4: Simplify right side
    804.92x = 525,650.70
  5. Step 5: Solve for x
    x = 525,650.70/804.92
  6. Step 6: Final answer
    x = 653.05

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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.