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Finding the Fourth Proportional to 1,631.79, 2,447.87 and 592.28

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Solution

The fourth proportional to 1,631.79, 2,447.87 and 592.28 is: 888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.79 : 2,447.87 = 592.28 : x
  2. Step 2: Convert to fraction form
    1,631.79/2,447.87 = 592.28/x
  3. Step 3: Cross multiply
    1,631.79x = 2,447.87 × 592.28
  4. Step 4: Simplify right side
    1,631.79x = 1,449,824.44
  5. Step 5: Solve for x
    x = 1,449,824.44/1,631.79
  6. Step 6: Final answer
    x = 888.49

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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.