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Finding the Fourth Proportional to 1,262.02, 1,893.10 and 337.60

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Solution

The fourth proportional to 1,262.02, 1,893.10 and 337.60 is: 506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.02 : 1,893.10 = 337.60 : x
  2. Step 2: Convert to fraction form
    1,262.02/1,893.10 = 337.60/x
  3. Step 3: Cross multiply
    1,262.02x = 1,893.10 × 337.60
  4. Step 4: Simplify right side
    1,262.02x = 639,110.56
  5. Step 5: Solve for x
    x = 639,110.56/1,262.02
  6. Step 6: Final answer
    x = 506.42

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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.