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Finding the Fourth Proportional to 1,348.00, 1,860.98 and 908.24

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Solution

The fourth proportional to 1,348.00, 1,860.98 and 908.24 is: 1,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.00 : 1,860.98 = 908.24 : x
  2. Step 2: Convert to fraction form
    1,348.00/1,860.98 = 908.24/x
  3. Step 3: Cross multiply
    1,348.00x = 1,860.98 × 908.24
  4. Step 4: Simplify right side
    1,348.00x = 1,690,202.63
  5. Step 5: Solve for x
    x = 1,690,202.63/1,348.00
  6. Step 6: Final answer
    x = 1,253.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.