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Finding the Fourth Proportional to 1,464.45, 2,197.77 and 734.64

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Solution

The fourth proportional to 1,464.45, 2,197.77 and 734.64 is: 1,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.45 : 2,197.77 = 734.64 : x
  2. Step 2: Convert to fraction form
    1,464.45/2,197.77 = 734.64/x
  3. Step 3: Cross multiply
    1,464.45x = 2,197.77 × 734.64
  4. Step 4: Simplify right side
    1,464.45x = 1,614,569.75
  5. Step 5: Solve for x
    x = 1,614,569.75/1,464.45
  6. Step 6: Final answer
    x = 1,102.51

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1.5x scale

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.