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Finding the Fourth Proportional to 1,433.59, 2,150.51 and 446.33

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Solution

The fourth proportional to 1,433.59, 2,150.51 and 446.33 is: 669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.59 : 2,150.51 = 446.33 : x
  2. Step 2: Convert to fraction form
    1,433.59/2,150.51 = 446.33/x
  3. Step 3: Cross multiply
    1,433.59x = 2,150.51 × 446.33
  4. Step 4: Simplify right side
    1,433.59x = 959,840.27
  5. Step 5: Solve for x
    x = 959,840.27/1,433.59
  6. Step 6: Final answer
    x = 669.54

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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.