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Finding the Fourth Proportional to 1,262.59, 1,894.11 and 482.56

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Solution

The fourth proportional to 1,262.59, 1,894.11 and 482.56 is: 723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.59 : 1,894.11 = 482.56 : x
  2. Step 2: Convert to fraction form
    1,262.59/1,894.11 = 482.56/x
  3. Step 3: Cross multiply
    1,262.59x = 1,894.11 × 482.56
  4. Step 4: Simplify right side
    1,262.59x = 914,021.72
  5. Step 5: Solve for x
    x = 914,021.72/1,262.59
  6. Step 6: Final answer
    x = 723.93

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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.