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Finding the Fourth Proportional to 943.04, 1,414.89 and 503.82

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Solution

The fourth proportional to 943.04, 1,414.89 and 503.82 is: 755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.04 : 1,414.89 = 503.82 : x
  2. Step 2: Convert to fraction form
    943.04/1,414.89 = 503.82/x
  3. Step 3: Cross multiply
    943.04x = 1,414.89 × 503.82
  4. Step 4: Simplify right side
    943.04x = 712,849.88
  5. Step 5: Solve for x
    x = 712,849.88/943.04
  6. Step 6: Final answer
    x = 755.91

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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.