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Finding the Fourth Proportional to 1,094.86, 1,642.28 and 364.49

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Solution

The fourth proportional to 1,094.86, 1,642.28 and 364.49 is: 546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.86 : 1,642.28 = 364.49 : x
  2. Step 2: Convert to fraction form
    1,094.86/1,642.28 = 364.49/x
  3. Step 3: Cross multiply
    1,094.86x = 1,642.28 × 364.49
  4. Step 4: Simplify right side
    1,094.86x = 598,594.64
  5. Step 5: Solve for x
    x = 598,594.64/1,094.86
  6. Step 6: Final answer
    x = 546.73

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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.