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Finding the Fourth Proportional to 1,066.94, 1,600.42 and 297.44

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Solution

The fourth proportional to 1,066.94, 1,600.42 and 297.44 is: 446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.94 : 1,600.42 = 297.44 : x
  2. Step 2: Convert to fraction form
    1,066.94/1,600.42 = 297.44/x
  3. Step 3: Cross multiply
    1,066.94x = 1,600.42 × 297.44
  4. Step 4: Simplify right side
    1,066.94x = 476,028.92
  5. Step 5: Solve for x
    x = 476,028.92/1,066.94
  6. Step 6: Final answer
    x = 446.16

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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.