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Finding the Fourth Proportional to 1,094.82, 1,641.87 and 364.30

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Solution

The fourth proportional to 1,094.82, 1,641.87 and 364.30 is: 546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.82 : 1,641.87 = 364.30 : x
  2. Step 2: Convert to fraction form
    1,094.82/1,641.87 = 364.30/x
  3. Step 3: Cross multiply
    1,094.82x = 1,641.87 × 364.30
  4. Step 4: Simplify right side
    1,094.82x = 598,129.14
  5. Step 5: Solve for x
    x = 598,129.14/1,094.82
  6. Step 6: Final answer
    x = 546.33

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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.