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Finding the Fourth Proportional to 1,454.45, 2,181.86 and 467.33

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Solution

The fourth proportional to 1,454.45, 2,181.86 and 467.33 is: 701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.45 : 2,181.86 = 467.33 : x
  2. Step 2: Convert to fraction form
    1,454.45/2,181.86 = 467.33/x
  3. Step 3: Cross multiply
    1,454.45x = 2,181.86 × 467.33
  4. Step 4: Simplify right side
    1,454.45x = 1,019,646.30
  5. Step 5: Solve for x
    x = 1,019,646.30/1,454.45
  6. Step 6: Final answer
    x = 701.05

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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.