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Finding the Fourth Proportional to 1,384.44, 2,076.60 and 562.48

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Solution

The fourth proportional to 1,384.44, 2,076.60 and 562.48 is: 843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.44 : 2,076.60 = 562.48 : x
  2. Step 2: Convert to fraction form
    1,384.44/2,076.60 = 562.48/x
  3. Step 3: Cross multiply
    1,384.44x = 2,076.60 × 562.48
  4. Step 4: Simplify right side
    1,384.44x = 1,168,045.97
  5. Step 5: Solve for x
    x = 1,168,045.97/1,384.44
  6. Step 6: Final answer
    x = 843.70

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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.