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Finding the Fourth Proportional to 1,066.67, 1,600.01 and 297.17

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Solution

The fourth proportional to 1,066.67, 1,600.01 and 297.17 is: 445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.67 : 1,600.01 = 297.17 : x
  2. Step 2: Convert to fraction form
    1,066.67/1,600.01 = 297.17/x
  3. Step 3: Cross multiply
    1,066.67x = 1,600.01 × 297.17
  4. Step 4: Simplify right side
    1,066.67x = 475,478.23
  5. Step 5: Solve for x
    x = 475,478.23/1,066.67
  6. Step 6: Final answer
    x = 445.76

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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.