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Finding the Fourth Proportional to 1,066.92, 1,600.37 and 336.36

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Solution

The fourth proportional to 1,066.92, 1,600.37 and 336.36 is: 504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.92 : 1,600.37 = 336.36 : x
  2. Step 2: Convert to fraction form
    1,066.92/1,600.37 = 336.36/x
  3. Step 3: Cross multiply
    1,066.92x = 1,600.37 × 336.36
  4. Step 4: Simplify right side
    1,066.92x = 538,300.45
  5. Step 5: Solve for x
    x = 538,300.45/1,066.92
  6. Step 6: Final answer
    x = 504.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.