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Finding the Fourth Proportional to 1,094.89, 1,642.43 and 364.47

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Solution

The fourth proportional to 1,094.89, 1,642.43 and 364.47 is: 546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.89 : 1,642.43 = 364.47 : x
  2. Step 2: Convert to fraction form
    1,094.89/1,642.43 = 364.47/x
  3. Step 3: Cross multiply
    1,094.89x = 1,642.43 × 364.47
  4. Step 4: Simplify right side
    1,094.89x = 598,616.46
  5. Step 5: Solve for x
    x = 598,616.46/1,094.89
  6. Step 6: Final answer
    x = 546.74

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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.