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Finding the Fourth Proportional to 1,591.93, 2,388.14 and 496.06

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Solution

The fourth proportional to 1,591.93, 2,388.14 and 496.06 is: 744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.93 : 2,388.14 = 496.06 : x
  2. Step 2: Convert to fraction form
    1,591.93/2,388.14 = 496.06/x
  3. Step 3: Cross multiply
    1,591.93x = 2,388.14 × 496.06
  4. Step 4: Simplify right side
    1,591.93x = 1,184,660.73
  5. Step 5: Solve for x
    x = 1,184,660.73/1,591.93
  6. Step 6: Final answer
    x = 744.17

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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.