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Finding the Fourth Proportional to 1,262.39, 1,893.59 and 337.95

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Solution

The fourth proportional to 1,262.39, 1,893.59 and 337.95 is: 506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.39 : 1,893.59 = 337.95 : x
  2. Step 2: Convert to fraction form
    1,262.39/1,893.59 = 337.95/x
  3. Step 3: Cross multiply
    1,262.39x = 1,893.59 × 337.95
  4. Step 4: Simplify right side
    1,262.39x = 639,938.74
  5. Step 5: Solve for x
    x = 639,938.74/1,262.39
  6. Step 6: Final answer
    x = 506.93

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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.