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Finding the Fourth Proportional to 983.75, 1,473.69 and 593.83

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Solution

The fourth proportional to 983.75, 1,473.69 and 593.83 is: 889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.75 : 1,473.69 = 593.83 : x
  2. Step 2: Convert to fraction form
    983.75/1,473.69 = 593.83/x
  3. Step 3: Cross multiply
    983.75x = 1,473.69 × 593.83
  4. Step 4: Simplify right side
    983.75x = 875,125.40
  5. Step 5: Solve for x
    x = 875,125.40/983.75
  6. Step 6: Final answer
    x = 889.59

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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.